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autofs4: use autofs instead of autofs4 everywhere

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Update naming within autofs source to be consistent by changing
occurrences of autofs4 to autofs.

Link: http://lkml.kernel.org/r/152626703688.28589.8315406711135226803.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ian Kent 2018-06-07 17:11:09 -07:00 committed by Linus Torvalds
parent ef8b42f78e
commit 47206e012a
8 changed files with 318 additions and 318 deletions
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88
fs/autofs4/autofs_i.h
View File

@ -122,44 +122,44 @@ struct autofs_sb_info {
struct rcu_head rcu;
};
static inline struct autofs_sb_info *autofs4_sbi(struct super_block *sb)
static inline struct autofs_sb_info *autofs_sbi(struct super_block *sb)
{
return (struct autofs_sb_info *)(sb->s_fs_info);
}
static inline struct autofs_info *autofs4_dentry_ino(struct dentry *dentry)
static inline struct autofs_info *autofs_dentry_ino(struct dentry *dentry)
{
return (struct autofs_info *)(dentry->d_fsdata);
}
/* autofs4_oz_mode(): do we see the man behind the curtain? (The
/* autofs_oz_mode(): do we see the man behind the curtain? (The
* processes which do manipulations for us in user space sees the raw
* filesystem without "magic".)
*/
static inline int autofs4_oz_mode(struct autofs_sb_info *sbi)
static inline int autofs_oz_mode(struct autofs_sb_info *sbi)
{
return sbi->catatonic || task_pgrp(current) == sbi->oz_pgrp;
}
struct inode *autofs4_get_inode(struct super_block *, umode_t);
void autofs4_free_ino(struct autofs_info *);
struct inode *autofs_get_inode(struct super_block *, umode_t);
void autofs_free_ino(struct autofs_info *);
/* Expiration */
int is_autofs4_dentry(struct dentry *);
int autofs4_expire_wait(const struct path *path, int rcu_walk);
int autofs4_expire_run(struct super_block *, struct vfsmount *,
struct autofs_sb_info *,
struct autofs_packet_expire __user *);
int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
struct autofs_sb_info *sbi, int when);
int autofs4_expire_multi(struct super_block *, struct vfsmount *,
struct autofs_sb_info *, int __user *);
struct dentry *autofs4_expire_direct(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi, int how);
struct dentry *autofs4_expire_indirect(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi, int how);
int is_autofs_dentry(struct dentry *);
int autofs_expire_wait(const struct path *path, int rcu_walk);
int autofs_expire_run(struct super_block *, struct vfsmount *,
struct autofs_sb_info *,
struct autofs_packet_expire __user *);
int autofs_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
struct autofs_sb_info *sbi, int when);
int autofs_expire_multi(struct super_block *, struct vfsmount *,
struct autofs_sb_info *, int __user *);
struct dentry *autofs_expire_direct(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi, int how);
struct dentry *autofs_expire_indirect(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi, int how);
/* Device node initialization */
@ -168,11 +168,11 @@ void autofs_dev_ioctl_exit(void);
/* Operations structures */
extern const struct inode_operations autofs4_symlink_inode_operations;
extern const struct inode_operations autofs4_dir_inode_operations;
extern const struct file_operations autofs4_dir_operations;
extern const struct file_operations autofs4_root_operations;
extern const struct dentry_operations autofs4_dentry_operations;
extern const struct inode_operations autofs_symlink_inode_operations;
extern const struct inode_operations autofs_dir_inode_operations;
extern const struct file_operations autofs_dir_operations;
extern const struct file_operations autofs_root_operations;
extern const struct dentry_operations autofs_dentry_operations;
/* VFS automount flags management functions */
static inline void __managed_dentry_set_managed(struct dentry *dentry)
@ -201,9 +201,9 @@ static inline void managed_dentry_clear_managed(struct dentry *dentry)
/* Initializing function */
int autofs4_fill_super(struct super_block *, void *, int);
struct autofs_info *autofs4_new_ino(struct autofs_sb_info *);
void autofs4_clean_ino(struct autofs_info *);
int autofs_fill_super(struct super_block *, void *, int);
struct autofs_info *autofs_new_ino(struct autofs_sb_info *);
void autofs_clean_ino(struct autofs_info *);
static inline int autofs_prepare_pipe(struct file *pipe)
{
@ -218,25 +218,25 @@ static inline int autofs_prepare_pipe(struct file *pipe)
/* Queue management functions */
int autofs4_wait(struct autofs_sb_info *,
int autofs_wait(struct autofs_sb_info *,
const struct path *, enum autofs_notify);
int autofs4_wait_release(struct autofs_sb_info *, autofs_wqt_t, int);
void autofs4_catatonic_mode(struct autofs_sb_info *);
int autofs_wait_release(struct autofs_sb_info *, autofs_wqt_t, int);
void autofs_catatonic_mode(struct autofs_sb_info *);
static inline u32 autofs4_get_dev(struct autofs_sb_info *sbi)
static inline u32 autofs_get_dev(struct autofs_sb_info *sbi)
{
return new_encode_dev(sbi->sb->s_dev);
}
static inline u64 autofs4_get_ino(struct autofs_sb_info *sbi)
static inline u64 autofs_get_ino(struct autofs_sb_info *sbi)
{
return d_inode(sbi->sb->s_root)->i_ino;
}
static inline void __autofs4_add_expiring(struct dentry *dentry)
static inline void __autofs_add_expiring(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
if (ino) {
if (list_empty(&ino->expiring))
@ -244,10 +244,10 @@ static inline void __autofs4_add_expiring(struct dentry *dentry)
}
}
static inline void autofs4_add_expiring(struct dentry *dentry)
static inline void autofs_add_expiring(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
if (ino) {
spin_lock(&sbi->lookup_lock);
@ -257,10 +257,10 @@ static inline void autofs4_add_expiring(struct dentry *dentry)
}
}
static inline void autofs4_del_expiring(struct dentry *dentry)
static inline void autofs_del_expiring(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
if (ino) {
spin_lock(&sbi->lookup_lock);
@ -270,4 +270,4 @@ static inline void autofs4_del_expiring(struct dentry *dentry)
}
}
void autofs4_kill_sb(struct super_block *);
void autofs_kill_sb(struct super_block *);

18
fs/autofs4/dev-ioctl.c
View File

@ -166,7 +166,7 @@ static struct autofs_sb_info *autofs_dev_ioctl_sbi(struct file *f)
if (f) {
inode = file_inode(f);
sbi = autofs4_sbi(inode->i_sb);
sbi = autofs_sbi(inode->i_sb);
}
return sbi;
}
@ -236,7 +236,7 @@ static int test_by_dev(const struct path *path, void *p)
static int test_by_type(const struct path *path, void *p)
{
struct autofs_info *ino = autofs4_dentry_ino(path->dentry);
struct autofs_info *ino = autofs_dentry_ino(path->dentry);
return ino && ino->sbi->type & *(unsigned *)p;
}
@ -324,7 +324,7 @@ static int autofs_dev_ioctl_ready(struct file *fp,
autofs_wqt_t token;
token = (autofs_wqt_t) param->ready.token;
return autofs4_wait_release(sbi, token, 0);
return autofs_wait_release(sbi, token, 0);
}
/*
@ -340,7 +340,7 @@ static int autofs_dev_ioctl_fail(struct file *fp,
token = (autofs_wqt_t) param->fail.token;
status = param->fail.status < 0 ? param->fail.status : -ENOENT;
return autofs4_wait_release(sbi, token, status);
return autofs_wait_release(sbi, token, status);
}
/*
@ -412,7 +412,7 @@ static int autofs_dev_ioctl_catatonic(struct file *fp,
struct autofs_sb_info *sbi,
struct autofs_dev_ioctl *param)
{
autofs4_catatonic_mode(sbi);
autofs_catatonic_mode(sbi);
return 0;
}
@ -459,10 +459,10 @@ static int autofs_dev_ioctl_requester(struct file *fp,
if (err)
goto out;
ino = autofs4_dentry_ino(path.dentry);
ino = autofs_dentry_ino(path.dentry);
if (ino) {
err = 0;
autofs4_expire_wait(&path, 0);
autofs_expire_wait(&path, 0);
spin_lock(&sbi->fs_lock);
param->requester.uid =
from_kuid_munged(current_user_ns(), ino->uid);
@ -489,7 +489,7 @@ static int autofs_dev_ioctl_expire(struct file *fp,
how = param->expire.how;
mnt = fp->f_path.mnt;
return autofs4_do_expire_multi(sbi->sb, mnt, sbi, how);
return autofs_do_expire_multi(sbi->sb, mnt, sbi, how);
}
/* Check if autofs mount point is in use */
@ -686,7 +686,7 @@ static int _autofs_dev_ioctl(unsigned int command,
* Admin needs to be able to set the mount catatonic in
* order to be able to perform the re-open.
*/
if (!autofs4_oz_mode(sbi) &&
if (!autofs_oz_mode(sbi) &&
cmd != AUTOFS_DEV_IOCTL_CATATONIC_CMD) {
err = -EACCES;
fput(fp);

132
fs/autofs4/expire.c
View File

@ -13,10 +13,10 @@
static unsigned long now;
/* Check if a dentry can be expired */
static inline int autofs4_can_expire(struct dentry *dentry,
unsigned long timeout, int do_now)
static inline int autofs_can_expire(struct dentry *dentry,
unsigned long timeout, int do_now)
{
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_info *ino = autofs_dentry_ino(dentry);
/* dentry in the process of being deleted */
if (ino == NULL)
@ -31,7 +31,7 @@ static inline int autofs4_can_expire(struct dentry *dentry,
}
/* Check a mount point for busyness */
static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
static int autofs_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
{
struct dentry *top = dentry;
struct path path = {.mnt = mnt, .dentry = dentry};
@ -44,8 +44,8 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
if (!follow_down_one(&path))
goto done;
if (is_autofs4_dentry(path.dentry)) {
struct autofs_sb_info *sbi = autofs4_sbi(path.dentry->d_sb);
if (is_autofs_dentry(path.dentry)) {
struct autofs_sb_info *sbi = autofs_sbi(path.dentry->d_sb);
/* This is an autofs submount, we can't expire it */
if (autofs_type_indirect(sbi->type))
@ -56,7 +56,7 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
if (!may_umount_tree(path.mnt)) {
struct autofs_info *ino;
ino = autofs4_dentry_ino(top);
ino = autofs_dentry_ino(top);
ino->last_used = jiffies;
goto done;
}
@ -74,7 +74,7 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
static struct dentry *get_next_positive_subdir(struct dentry *prev,
struct dentry *root)
{
struct autofs_sb_info *sbi = autofs4_sbi(root->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(root->d_sb);
struct list_head *next;
struct dentry *q;
@ -121,7 +121,7 @@ static struct dentry *get_next_positive_subdir(struct dentry *prev,
static struct dentry *get_next_positive_dentry(struct dentry *prev,
struct dentry *root)
{
struct autofs_sb_info *sbi = autofs4_sbi(root->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(root->d_sb);
struct list_head *next;
struct dentry *p, *ret;
@ -184,10 +184,10 @@ static struct dentry *get_next_positive_dentry(struct dentry *prev,
* The tree is not busy iff no mountpoints are busy and there are no
* autofs submounts.
*/
static int autofs4_direct_busy(struct vfsmount *mnt,
struct dentry *top,
unsigned long timeout,
int do_now)
static int autofs_direct_busy(struct vfsmount *mnt,
struct dentry *top,
unsigned long timeout,
int do_now)
{
pr_debug("top %p %pd\n", top, top);
@ -195,14 +195,14 @@ static int autofs4_direct_busy(struct vfsmount *mnt,
if (!may_umount_tree(mnt)) {
struct autofs_info *ino;
ino = autofs4_dentry_ino(top);
ino = autofs_dentry_ino(top);
if (ino)
ino->last_used = jiffies;
return 1;
}
/* Timeout of a direct mount is determined by its top dentry */
if (!autofs4_can_expire(top, timeout, do_now))
if (!autofs_can_expire(top, timeout, do_now))
return 1;
return 0;
@ -212,12 +212,12 @@ static int autofs4_direct_busy(struct vfsmount *mnt,
* Check a directory tree of mount points for busyness
* The tree is not busy iff no mountpoints are busy
*/
static int autofs4_tree_busy(struct vfsmount *mnt,
struct dentry *top,
unsigned long timeout,
int do_now)
static int autofs_tree_busy(struct vfsmount *mnt,
struct dentry *top,
unsigned long timeout,
int do_now)
{
struct autofs_info *top_ino = autofs4_dentry_ino(top);
struct autofs_info *top_ino = autofs_dentry_ino(top);
struct dentry *p;
pr_debug("top %p %pd\n", top, top);
@ -237,13 +237,13 @@ static int autofs4_tree_busy(struct vfsmount *mnt,
* If the fs is busy update the expiry counter.
*/
if (d_mountpoint(p)) {
if (autofs4_mount_busy(mnt, p)) {
if (autofs_mount_busy(mnt, p)) {
top_ino->last_used = jiffies;
dput(p);
return 1;
}
} else {
struct autofs_info *ino = autofs4_dentry_ino(p);
struct autofs_info *ino = autofs_dentry_ino(p);
unsigned int ino_count = atomic_read(&ino->count);
/* allow for dget above and top is already dgot */
@ -261,16 +261,16 @@ static int autofs4_tree_busy(struct vfsmount *mnt,
}
/* Timeout of a tree mount is ultimately determined by its top dentry */
if (!autofs4_can_expire(top, timeout, do_now))
if (!autofs_can_expire(top, timeout, do_now))
return 1;
return 0;
}
static struct dentry *autofs4_check_leaves(struct vfsmount *mnt,
struct dentry *parent,
unsigned long timeout,
int do_now)
static struct dentry *autofs_check_leaves(struct vfsmount *mnt,
struct dentry *parent,
unsigned long timeout,
int do_now)
{
struct dentry *p;
@ -282,11 +282,11 @@ static struct dentry *autofs4_check_leaves(struct vfsmount *mnt,
if (d_mountpoint(p)) {
/* Can we umount this guy */
if (autofs4_mount_busy(mnt, p))
if (autofs_mount_busy(mnt, p))
continue;
/* Can we expire this guy */
if (autofs4_can_expire(p, timeout, do_now))
if (autofs_can_expire(p, timeout, do_now))
return p;
}
}
@ -294,10 +294,10 @@ static struct dentry *autofs4_check_leaves(struct vfsmount *mnt,
}
/* Check if we can expire a direct mount (possibly a tree) */
struct dentry *autofs4_expire_direct(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi,
int how)
struct dentry *autofs_expire_direct(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi,
int how)
{
unsigned long timeout;
struct dentry *root = dget(sb->s_root);
@ -310,9 +310,9 @@ struct dentry *autofs4_expire_direct(struct super_block *sb,
now = jiffies;
timeout = sbi->exp_timeout;
if (!autofs4_direct_busy(mnt, root, timeout, do_now)) {
if (!autofs_direct_busy(mnt, root, timeout, do_now)) {
spin_lock(&sbi->fs_lock);
ino = autofs4_dentry_ino(root);
ino = autofs_dentry_ino(root);
/* No point expiring a pending mount */
if (ino->flags & AUTOFS_INF_PENDING) {
spin_unlock(&sbi->fs_lock);
@ -321,7 +321,7 @@ struct dentry *autofs4_expire_direct(struct super_block *sb,
ino->flags |= AUTOFS_INF_WANT_EXPIRE;
spin_unlock(&sbi->fs_lock);
synchronize_rcu();
if (!autofs4_direct_busy(mnt, root, timeout, do_now)) {
if (!autofs_direct_busy(mnt, root, timeout, do_now)) {
spin_lock(&sbi->fs_lock);
ino->flags |= AUTOFS_INF_EXPIRING;
init_completion(&ino->expire_complete);
@ -350,7 +350,7 @@ static struct dentry *should_expire(struct dentry *dentry,
{
int do_now = how & AUTOFS_EXP_IMMEDIATE;
int exp_leaves = how & AUTOFS_EXP_LEAVES;
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_info *ino = autofs_dentry_ino(dentry);
unsigned int ino_count;
/* No point expiring a pending mount */
@ -367,11 +367,11 @@ static struct dentry *should_expire(struct dentry *dentry,
pr_debug("checking mountpoint %p %pd\n", dentry, dentry);
/* Can we umount this guy */
if (autofs4_mount_busy(mnt, dentry))
if (autofs_mount_busy(mnt, dentry))
return NULL;
/* Can we expire this guy */
if (autofs4_can_expire(dentry, timeout, do_now))
if (autofs_can_expire(dentry, timeout, do_now))
return dentry;
return NULL;
}
@ -382,7 +382,7 @@ static struct dentry *should_expire(struct dentry *dentry,
* A symlink can't be "busy" in the usual sense so
* just check last used for expire timeout.
*/
if (autofs4_can_expire(dentry, timeout, do_now))
if (autofs_can_expire(dentry, timeout, do_now))
return dentry;
return NULL;
}
@ -397,7 +397,7 @@ static struct dentry *should_expire(struct dentry *dentry,
if (d_count(dentry) > ino_count)
return NULL;
if (!autofs4_tree_busy(mnt, dentry, timeout, do_now))
if (!autofs_tree_busy(mnt, dentry, timeout, do_now))
return dentry;
/*
* Case 3: pseudo direct mount, expire individual leaves
@ -411,7 +411,7 @@ static struct dentry *should_expire(struct dentry *dentry,
if (d_count(dentry) > ino_count)
return NULL;
expired = autofs4_check_leaves(mnt, dentry, timeout, do_now);
expired = autofs_check_leaves(mnt, dentry, timeout, do_now);
if (expired) {
if (expired == dentry)
dput(dentry);
@ -427,10 +427,10 @@ static struct dentry *should_expire(struct dentry *dentry,
* - it is unused by any user process
* - it has been unused for exp_timeout time
*/
struct dentry *autofs4_expire_indirect(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi,
int how)
struct dentry *autofs_expire_indirect(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi,
int how)
{
unsigned long timeout;
struct dentry *root = sb->s_root;
@ -450,7 +450,7 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb,
int flags = how;
spin_lock(&sbi->fs_lock);
ino = autofs4_dentry_ino(dentry);
ino = autofs_dentry_ino(dentry);
if (ino->flags & AUTOFS_INF_WANT_EXPIRE) {
spin_unlock(&sbi->fs_lock);
continue;
@ -462,7 +462,7 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb,
continue;
spin_lock(&sbi->fs_lock);
ino = autofs4_dentry_ino(expired);
ino = autofs_dentry_ino(expired);
ino->flags |= AUTOFS_INF_WANT_EXPIRE;
spin_unlock(&sbi->fs_lock);
synchronize_rcu();
@ -498,11 +498,11 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb,
return expired;
}
int autofs4_expire_wait(const struct path *path, int rcu_walk)
int autofs_expire_wait(const struct path *path, int rcu_walk)
{
struct dentry *dentry = path->dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
int status;
int state;
@ -529,7 +529,7 @@ int autofs4_expire_wait(const struct path *path, int rcu_walk)
pr_debug("waiting for expire %p name=%pd\n", dentry, dentry);
status = autofs4_wait(sbi, path, NFY_NONE);
status = autofs_wait(sbi, path, NFY_NONE);
wait_for_completion(&ino->expire_complete);
pr_debug("expire done status=%d\n", status);
@ -545,10 +545,10 @@ int autofs4_expire_wait(const struct path *path, int rcu_walk)
}
/* Perform an expiry operation */
int autofs4_expire_run(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi,
struct autofs_packet_expire __user *pkt_p)
int autofs_expire_run(struct super_block *sb,
struct vfsmount *mnt,
struct autofs_sb_info *sbi,
struct autofs_packet_expire __user *pkt_p)
{
struct autofs_packet_expire pkt;
struct autofs_info *ino;
@ -560,7 +560,7 @@ int autofs4_expire_run(struct super_block *sb,
pkt.hdr.proto_version = sbi->version;
pkt.hdr.type = autofs_ptype_expire;
dentry = autofs4_expire_indirect(sb, mnt, sbi, 0);
dentry = autofs_expire_indirect(sb, mnt, sbi, 0);
if (!dentry)
return -EAGAIN;
@ -573,7 +573,7 @@ int autofs4_expire_run(struct super_block *sb,
ret = -EFAULT;
spin_lock(&sbi->fs_lock);
ino = autofs4_dentry_ino(dentry);
ino = autofs_dentry_ino(dentry);
/* avoid rapid-fire expire attempts if expiry fails */
ino->last_used = now;
ino->flags &= ~(AUTOFS_INF_EXPIRING|AUTOFS_INF_WANT_EXPIRE);
@ -583,25 +583,25 @@ int autofs4_expire_run(struct super_block *sb,
return ret;
}
int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
struct autofs_sb_info *sbi, int when)
int autofs_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
struct autofs_sb_info *sbi, int when)
{
struct dentry *dentry;
int ret = -EAGAIN;
if (autofs_type_trigger(sbi->type))
dentry = autofs4_expire_direct(sb, mnt, sbi, when);
dentry = autofs_expire_direct(sb, mnt, sbi, when);
else
dentry = autofs4_expire_indirect(sb, mnt, sbi, when);
dentry = autofs_expire_indirect(sb, mnt, sbi, when);
if (dentry) {
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_info *ino = autofs_dentry_ino(dentry);
const struct path path = { .mnt = mnt, .dentry = dentry };
/* This is synchronous because it makes the daemon a
* little easier
*/
ret = autofs4_wait(sbi, &path, NFY_EXPIRE);
ret = autofs_wait(sbi, &path, NFY_EXPIRE);
spin_lock(&sbi->fs_lock);
/* avoid rapid-fire expire attempts if expiry fails */
@ -619,7 +619,7 @@ int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
* Call repeatedly until it returns -EAGAIN, meaning there's nothing
* more to be done.
*/
int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt,
int autofs_expire_multi(struct super_block *sb, struct vfsmount *mnt,
struct autofs_sb_info *sbi, int __user *arg)
{
int do_now = 0;
@ -627,6 +627,6 @@ int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt,
if (arg && get_user(do_now, arg))
return -EFAULT;
return autofs4_do_expire_multi(sb, mnt, sbi, do_now);
return autofs_do_expire_multi(sb, mnt, sbi, do_now);
}

12
fs/autofs4/init.c
View File

@ -13,18 +13,18 @@
static struct dentry *autofs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return mount_nodev(fs_type, flags, data, autofs4_fill_super);
return mount_nodev(fs_type, flags, data, autofs_fill_super);
}
static struct file_system_type autofs_fs_type = {
.owner = THIS_MODULE,
.name = "autofs",
.mount = autofs_mount,
.kill_sb = autofs4_kill_sb,
.kill_sb = autofs_kill_sb,
};
MODULE_ALIAS_FS("autofs");
static int __init init_autofs4_fs(void)
static int __init init_autofs_fs(void)
{
int err;
@ -37,12 +37,12 @@ static int __init init_autofs4_fs(void)
return err;
}
static void __exit exit_autofs4_fs(void)
static void __exit exit_autofs_fs(void)
{
autofs_dev_ioctl_exit();
unregister_filesystem(&autofs_fs_type);
}
module_init(init_autofs4_fs)
module_exit(exit_autofs4_fs)
module_init(init_autofs_fs)
module_exit(exit_autofs_fs)
MODULE_LICENSE("GPL");

48
fs/autofs4/inode.c
View File

@ -18,7 +18,7 @@
#include "autofs_i.h"
#include <linux/module.h>
struct autofs_info *autofs4_new_ino(struct autofs_sb_info *sbi)
struct autofs_info *autofs_new_ino(struct autofs_sb_info *sbi)
{
struct autofs_info *ino;
@ -32,21 +32,21 @@ struct autofs_info *autofs4_new_ino(struct autofs_sb_info *sbi)
return ino;
}
void autofs4_clean_ino(struct autofs_info *ino)
void autofs_clean_ino(struct autofs_info *ino)
{
ino->uid = GLOBAL_ROOT_UID;
ino->gid = GLOBAL_ROOT_GID;
ino->last_used = jiffies;
}
void autofs4_free_ino(struct autofs_info *ino)
void autofs_free_ino(struct autofs_info *ino)
{
kfree(ino);
}
void autofs4_kill_sb(struct super_block *sb)
void autofs_kill_sb(struct super_block *sb)
{
struct autofs_sb_info *sbi = autofs4_sbi(sb);
struct autofs_sb_info *sbi = autofs_sbi(sb);
/*
* In the event of a failure in get_sb_nodev the superblock
@ -56,7 +56,7 @@ void autofs4_kill_sb(struct super_block *sb)
*/
if (sbi) {
/* Free wait queues, close pipe */
autofs4_catatonic_mode(sbi);
autofs_catatonic_mode(sbi);
put_pid(sbi->oz_pgrp);
}
@ -66,9 +66,9 @@ void autofs4_kill_sb(struct super_block *sb)
kfree_rcu(sbi, rcu);
}
static int autofs4_show_options(struct seq_file *m, struct dentry *root)
static int autofs_show_options(struct seq_file *m, struct dentry *root)
{
struct autofs_sb_info *sbi = autofs4_sbi(root->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(root->d_sb);
struct inode *root_inode = d_inode(root->d_sb->s_root);
if (!sbi)
@ -101,16 +101,16 @@ static int autofs4_show_options(struct seq_file *m, struct dentry *root)
return 0;
}
static void autofs4_evict_inode(struct inode *inode)
static void autofs_evict_inode(struct inode *inode)
{
clear_inode(inode);
kfree(inode->i_private);
}
static const struct super_operations autofs4_sops = {
static const struct super_operations autofs_sops = {
.statfs = simple_statfs,
.show_options = autofs4_show_options,
.evict_inode = autofs4_evict_inode,
.show_options = autofs_show_options,
.evict_inode = autofs_evict_inode,
};
enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto,
@ -206,7 +206,7 @@ static int parse_options(char *options, int *pipefd, kuid_t *uid, kgid_t *gid,
return (*pipefd < 0);
}
int autofs4_fill_super(struct super_block *s, void *data, int silent)
int autofs_fill_super(struct super_block *s, void *data, int silent)
{
struct inode *root_inode;
struct dentry *root;
@ -246,19 +246,19 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;
s->s_magic = AUTOFS_SUPER_MAGIC;
s->s_op = &autofs4_sops;
s->s_d_op = &autofs4_dentry_operations;
s->s_op = &autofs_sops;
s->s_d_op = &autofs_dentry_operations;
s->s_time_gran = 1;
/*
* Get the root inode and dentry, but defer checking for errors.
*/
ino = autofs4_new_ino(sbi);
ino = autofs_new_ino(sbi);
if (!ino) {
ret = -ENOMEM;
goto fail_free;
}
root_inode = autofs4_get_inode(s, S_IFDIR | 0755);
root_inode = autofs_get_inode(s, S_IFDIR | 0755);
root = d_make_root(root_inode);
if (!root)
goto fail_ino;
@ -305,8 +305,8 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
if (autofs_type_trigger(sbi->type))
__managed_dentry_set_managed(root);
root_inode->i_fop = &autofs4_root_operations;
root_inode->i_op = &autofs4_dir_inode_operations;
root_inode->i_fop = &autofs_root_operations;
root_inode->i_op = &autofs_dir_inode_operations;
pr_debug("pipe fd = %d, pgrp = %u\n", pipefd, pid_nr(sbi->oz_pgrp));
pipe = fget(pipefd);
@ -340,14 +340,14 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
dput(root);
goto fail_free;
fail_ino:
autofs4_free_ino(ino);
autofs_free_ino(ino);
fail_free:
kfree(sbi);
s->s_fs_info = NULL;
return ret;
}
struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode)
struct inode *autofs_get_inode(struct super_block *sb, umode_t mode)
{
struct inode *inode = new_inode(sb);
@ -364,10 +364,10 @@ struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode)
if (S_ISDIR(mode)) {
set_nlink(inode, 2);
inode->i_op = &autofs4_dir_inode_operations;
inode->i_fop = &autofs4_dir_operations;
inode->i_op = &autofs_dir_inode_operations;
inode->i_fop = &autofs_dir_operations;
} else if (S_ISLNK(mode)) {
inode->i_op = &autofs4_symlink_inode_operations;
inode->i_op = &autofs_symlink_inode_operations;
} else
WARN_ON(1);

269
fs/autofs4/root.c
View File

@ -19,62 +19,62 @@
#include "autofs_i.h"
static int autofs4_dir_symlink(struct inode *, struct dentry *, const char *);
static int autofs4_dir_unlink(struct inode *, struct dentry *);
static int autofs4_dir_rmdir(struct inode *, struct dentry *);
static int autofs4_dir_mkdir(struct inode *, struct dentry *, umode_t);
static long autofs4_root_ioctl(struct file *, unsigned int, unsigned long);
static int autofs_dir_symlink(struct inode *, struct dentry *, const char *);
static int autofs_dir_unlink(struct inode *, struct dentry *);
static int autofs_dir_rmdir(struct inode *, struct dentry *);
static int autofs_dir_mkdir(struct inode *, struct dentry *, umode_t);
static long autofs_root_ioctl(struct file *, unsigned int, unsigned long);
#ifdef CONFIG_COMPAT
static long autofs4_root_compat_ioctl(struct file *,
unsigned int, unsigned long);
static long autofs_root_compat_ioctl(struct file *,
unsigned int, unsigned long);
#endif
static int autofs4_dir_open(struct inode *inode, struct file *file);
static struct dentry *autofs4_lookup(struct inode *,
struct dentry *, unsigned int);
static struct vfsmount *autofs4_d_automount(struct path *);
static int autofs4_d_manage(const struct path *, bool);
static void autofs4_dentry_release(struct dentry *);
static int autofs_dir_open(struct inode *inode, struct file *file);
static struct dentry *autofs_lookup(struct inode *,
struct dentry *, unsigned int);
static struct vfsmount *autofs_d_automount(struct path *);
static int autofs_d_manage(const struct path *, bool);
static void autofs_dentry_release(struct dentry *);
const struct file_operations autofs4_root_operations = {
const struct file_operations autofs_root_operations = {
.open = dcache_dir_open,
.release = dcache_dir_close,
.read = generic_read_dir,
.iterate_shared = dcache_readdir,
.llseek = dcache_dir_lseek,
.unlocked_ioctl = autofs4_root_ioctl,
.unlocked_ioctl = autofs_root_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = autofs4_root_compat_ioctl,
.compat_ioctl = autofs_root_compat_ioctl,
#endif
};
const struct file_operations autofs4_dir_operations = {
.open = autofs4_dir_open,
const struct file_operations autofs_dir_operations = {
.open = autofs_dir_open,
.release = dcache_dir_close,
.read = generic_read_dir,
.iterate_shared = dcache_readdir,
.llseek = dcache_dir_lseek,
};
const struct inode_operations autofs4_dir_inode_operations = {
.lookup = autofs4_lookup,
.unlink = autofs4_dir_unlink,
.symlink = autofs4_dir_symlink,
.mkdir = autofs4_dir_mkdir,
.rmdir = autofs4_dir_rmdir,
const struct inode_operations autofs_dir_inode_operations = {
.lookup = autofs_lookup,
.unlink = autofs_dir_unlink,
.symlink = autofs_dir_symlink,
.mkdir = autofs_dir_mkdir,
.rmdir = autofs_dir_rmdir,
};
const struct dentry_operations autofs4_dentry_operations = {
.d_automount = autofs4_d_automount,
.d_manage = autofs4_d_manage,
.d_release = autofs4_dentry_release,
const struct dentry_operations autofs_dentry_operations = {
.d_automount = autofs_d_automount,
.d_manage = autofs_d_manage,
.d_release = autofs_dentry_release,
};
static void autofs4_add_active(struct dentry *dentry)
static void autofs_add_active(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino;
ino = autofs4_dentry_ino(dentry);
ino = autofs_dentry_ino(dentry);
if (ino) {
spin_lock(&sbi->lookup_lock);
if (!ino->active_count) {
@ -86,12 +86,12 @@ static void autofs4_add_active(struct dentry *dentry)
}
}
static void autofs4_del_active(struct dentry *dentry)
static void autofs_del_active(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino;
ino = autofs4_dentry_ino(dentry);
ino = autofs_dentry_ino(dentry);
if (ino) {
spin_lock(&sbi->lookup_lock);
ino->active_count--;
@ -103,14 +103,14 @@ static void autofs4_del_active(struct dentry *dentry)
}
}
static int autofs4_dir_open(struct inode *inode, struct file *file)
static int autofs_dir_open(struct inode *inode, struct file *file)
{
struct dentry *dentry = file->f_path.dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
pr_debug("file=%p dentry=%p %pd\n", file, dentry, dentry);
if (autofs4_oz_mode(sbi))
if (autofs_oz_mode(sbi))
goto out;
/*
@ -133,10 +133,10 @@ static int autofs4_dir_open(struct inode *inode, struct file *file)
return dcache_dir_open(inode, file);
}
static void autofs4_dentry_release(struct dentry *de)
static void autofs_dentry_release(struct dentry *de)
{
struct autofs_info *ino = autofs4_dentry_ino(de);
struct autofs_sb_info *sbi = autofs4_sbi(de->d_sb);
struct autofs_info *ino = autofs_dentry_ino(de);
struct autofs_sb_info *sbi = autofs_sbi(de->d_sb);
pr_debug("releasing %p\n", de);
@ -152,12 +152,12 @@ static void autofs4_dentry_release(struct dentry *de)
spin_unlock(&sbi->lookup_lock);
}
autofs4_free_ino(ino);
autofs_free_ino(ino);
}
static struct dentry *autofs4_lookup_active(struct dentry *dentry)
static struct dentry *autofs_lookup_active(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct dentry *parent = dentry->d_parent;
const struct qstr *name = &dentry->d_name;
unsigned int len = name->len;
@ -209,10 +209,10 @@ static struct dentry *autofs4_lookup_active(struct dentry *dentry)
return NULL;
}
static struct dentry *autofs4_lookup_expiring(struct dentry *dentry,
bool rcu_walk)
static struct dentry *autofs_lookup_expiring(struct dentry *dentry,
bool rcu_walk)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct dentry *parent = dentry->d_parent;
const struct qstr *name = &dentry->d_name;
unsigned int len = name->len;
@ -269,17 +269,17 @@ static struct dentry *autofs4_lookup_expiring(struct dentry *dentry,
return NULL;
}
static int autofs4_mount_wait(const struct path *path, bool rcu_walk)
static int autofs_mount_wait(const struct path *path, bool rcu_walk)
{
struct autofs_sb_info *sbi = autofs4_sbi(path->dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(path->dentry);
struct autofs_sb_info *sbi = autofs_sbi(path->dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(path->dentry);
int status = 0;
if (ino->flags & AUTOFS_INF_PENDING) {
if (rcu_walk)
return -ECHILD;
pr_debug("waiting for mount name=%pd\n", path->dentry);
status = autofs4_wait(sbi, path, NFY_MOUNT);
status = autofs_wait(sbi, path, NFY_MOUNT);
pr_debug("mount wait done status=%d\n", status);
}
ino->last_used = jiffies;
@ -291,11 +291,11 @@ static int do_expire_wait(const struct path *path, bool rcu_walk)
struct dentry *dentry = path->dentry;
struct dentry *expiring;
expiring = autofs4_lookup_expiring(dentry, rcu_walk);
expiring = autofs_lookup_expiring(dentry, rcu_walk);
if (IS_ERR(expiring))
return PTR_ERR(expiring);
if (!expiring)
return autofs4_expire_wait(path, rcu_walk);
return autofs_expire_wait(path, rcu_walk);
else {
const struct path this = { .mnt = path->mnt, .dentry = expiring };
/*
@ -303,17 +303,17 @@ static int do_expire_wait(const struct path *path, bool rcu_walk)
* be quite complete, but the directory has been removed
* so it must have been successful, just wait for it.
*/
autofs4_expire_wait(&this, 0);
autofs4_del_expiring(expiring);
autofs_expire_wait(&this, 0);
autofs_del_expiring(expiring);
dput(expiring);
}
return 0;
}
static struct dentry *autofs4_mountpoint_changed(struct path *path)
static struct dentry *autofs_mountpoint_changed(struct path *path)
{
struct dentry *dentry = path->dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
/*
* If this is an indirect mount the dentry could have gone away
@ -327,7 +327,7 @@ static struct dentry *autofs4_mountpoint_changed(struct path *path)
new = d_lookup(parent, &dentry->d_name);
if (!new)
return NULL;
ino = autofs4_dentry_ino(new);
ino = autofs_dentry_ino(new);
ino->last_used = jiffies;
dput(path->dentry);
path->dentry = new;
@ -335,17 +335,17 @@ static struct dentry *autofs4_mountpoint_changed(struct path *path)
return path->dentry;
}
static struct vfsmount *autofs4_d_automount(struct path *path)
static struct vfsmount *autofs_d_automount(struct path *path)
{
struct dentry *dentry = path->dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
int status;
pr_debug("dentry=%p %pd\n", dentry, dentry);
/* The daemon never triggers a mount. */
if (autofs4_oz_mode(sbi))
if (autofs_oz_mode(sbi))
return NULL;
/*
@ -364,7 +364,7 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
spin_lock(&sbi->fs_lock);
if (ino->flags & AUTOFS_INF_PENDING) {
spin_unlock(&sbi->fs_lock);
status = autofs4_mount_wait(path, 0);
status = autofs_mount_wait(path, 0);
if (status)
return ERR_PTR(status);
goto done;
@ -405,7 +405,7 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
}
ino->flags |= AUTOFS_INF_PENDING;
spin_unlock(&sbi->fs_lock);
status = autofs4_mount_wait(path, 0);
status = autofs_mount_wait(path, 0);
spin_lock(&sbi->fs_lock);
ino->flags &= ~AUTOFS_INF_PENDING;
if (status) {
@ -416,24 +416,24 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
spin_unlock(&sbi->fs_lock);
done:
/* Mount succeeded, check if we ended up with a new dentry */
dentry = autofs4_mountpoint_changed(path);
dentry = autofs_mountpoint_changed(path);
if (!dentry)
return ERR_PTR(-ENOENT);
return NULL;
}
static int autofs4_d_manage(const struct path *path, bool rcu_walk)
static int autofs_d_manage(const struct path *path, bool rcu_walk)
{
struct dentry *dentry = path->dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
int status;
pr_debug("dentry=%p %pd\n", dentry, dentry);
/* The daemon never waits. */
if (autofs4_oz_mode(sbi)) {
if (autofs_oz_mode(sbi)) {
if (!path_is_mountpoint(path))
return -EISDIR;
return 0;
@ -447,7 +447,7 @@ static int autofs4_d_manage(const struct path *path, bool rcu_walk)
* This dentry may be under construction so wait on mount
* completion.
*/
status = autofs4_mount_wait(path, rcu_walk);
status = autofs_mount_wait(path, rcu_walk);
if (status)
return status;
@ -500,8 +500,8 @@ static int autofs4_d_manage(const struct path *path, bool rcu_walk)
}
/* Lookups in the root directory */
static struct dentry *autofs4_lookup(struct inode *dir,
struct dentry *dentry, unsigned int flags)
static struct dentry *autofs_lookup(struct inode *dir,
struct dentry *dentry, unsigned int flags)
{
struct autofs_sb_info *sbi;
struct autofs_info *ino;
@ -513,13 +513,13 @@ static struct dentry *autofs4_lookup(struct inode *dir,
if (dentry->d_name.len > NAME_MAX)
return ERR_PTR(-ENAMETOOLONG);
sbi = autofs4_sbi(dir->i_sb);
sbi = autofs_sbi(dir->i_sb);
pr_debug("pid = %u, pgrp = %u, catatonic = %d, oz_mode = %d\n",
current->pid, task_pgrp_nr(current), sbi->catatonic,
autofs4_oz_mode(sbi));
autofs_oz_mode(sbi));
active = autofs4_lookup_active(dentry);
active = autofs_lookup_active(dentry);
if (active)
return active;
else {
@ -529,7 +529,7 @@ static struct dentry *autofs4_lookup(struct inode *dir,
* can return fail immediately. The daemon however does need
* to create directories within the file system.
*/
if (!autofs4_oz_mode(sbi) && !IS_ROOT(dentry->d_parent))
if (!autofs_oz_mode(sbi) && !IS_ROOT(dentry->d_parent))
return ERR_PTR(-ENOENT);
/* Mark entries in the root as mount triggers */
@ -537,24 +537,24 @@ static struct dentry *autofs4_lookup(struct inode *dir,
autofs_type_indirect(sbi->type))
__managed_dentry_set_managed(dentry);
ino = autofs4_new_ino(sbi);
ino = autofs_new_ino(sbi);
if (!ino)
return ERR_PTR(-ENOMEM);
dentry->d_fsdata = ino;
ino->dentry = dentry;
autofs4_add_active(dentry);
autofs_add_active(dentry);
}
return NULL;
}
static int autofs4_dir_symlink(struct inode *dir,
static int autofs_dir_symlink(struct inode *dir,
struct dentry *dentry,
const char *symname)
{
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dir->i_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
struct autofs_info *p_ino;
struct inode *inode;
size_t size = strlen(symname);
@ -562,14 +562,14 @@ static int autofs4_dir_symlink(struct inode *dir,
pr_debug("%s <- %pd\n", symname, dentry);
if (!autofs4_oz_mode(sbi))
if (!autofs_oz_mode(sbi))
return -EACCES;
BUG_ON(!ino);
autofs4_clean_ino(ino);
autofs_clean_ino(ino);
autofs4_del_active(dentry);
autofs_del_active(dentry);
cp = kmalloc(size + 1, GFP_KERNEL);
if (!cp)
@ -577,7 +577,7 @@ static int autofs4_dir_symlink(struct inode *dir,
strcpy(cp, symname);
inode = autofs4_get_inode(dir->i_sb, S_IFLNK | 0555);
inode = autofs_get_inode(dir->i_sb, S_IFLNK | 0555);
if (!inode) {
kfree(cp);
return -ENOMEM;
@ -588,7 +588,7 @@ static int autofs4_dir_symlink(struct inode *dir,
dget(dentry);
atomic_inc(&ino->count);
p_ino = autofs4_dentry_ino(dentry->d_parent);
p_ino = autofs_dentry_ino(dentry->d_parent);
if (p_ino && !IS_ROOT(dentry))
atomic_inc(&p_ino->count);
@ -610,20 +610,20 @@ static int autofs4_dir_symlink(struct inode *dir,
* If a process is blocked on the dentry waiting for the expire to finish,
* it will invalidate the dentry and try to mount with a new one.
*
* Also see autofs4_dir_rmdir()..
* Also see autofs_dir_rmdir()..
*/
static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
static int autofs_dir_unlink(struct inode *dir, struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dir->i_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
struct autofs_info *p_ino;
/* This allows root to remove symlinks */
if (!autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
return -EPERM;
if (atomic_dec_and_test(&ino->count)) {
p_ino = autofs4_dentry_ino(dentry->d_parent);
p_ino = autofs_dentry_ino(dentry->d_parent);
if (p_ino && !IS_ROOT(dentry))
atomic_dec(&p_ino->count);
}
@ -635,7 +635,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
dir->i_mtime = current_time(dir);
spin_lock(&sbi->lookup_lock);
__autofs4_add_expiring(dentry);
__autofs_add_expiring(dentry);
d_drop(dentry);
spin_unlock(&sbi->lookup_lock);
@ -692,15 +692,15 @@ static void autofs_clear_leaf_automount_flags(struct dentry *dentry)
managed_dentry_set_managed(parent);
}
static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
static int autofs_dir_rmdir(struct inode *dir, struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dir->i_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
struct autofs_info *p_ino;
pr_debug("dentry %p, removing %pd\n", dentry, dentry);
if (!autofs4_oz_mode(sbi))
if (!autofs_oz_mode(sbi))
return -EACCES;
spin_lock(&sbi->lookup_lock);
@ -708,7 +708,7 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
spin_unlock(&sbi->lookup_lock);
return -ENOTEMPTY;
}
__autofs4_add_expiring(dentry);
__autofs_add_expiring(dentry);
d_drop(dentry);
spin_unlock(&sbi->lookup_lock);
@ -716,7 +716,7 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
autofs_clear_leaf_automount_flags(dentry);
if (atomic_dec_and_test(&ino->count)) {
p_ino = autofs4_dentry_ino(dentry->d_parent);
p_ino = autofs_dentry_ino(dentry->d_parent);
if (p_ino && dentry->d_parent != dentry)
atomic_dec(&p_ino->count);
}
@ -730,26 +730,26 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
return 0;
}
static int autofs4_dir_mkdir(struct inode *dir,
struct dentry *dentry, umode_t mode)
static int autofs_dir_mkdir(struct inode *dir,
struct dentry *dentry, umode_t mode)
{
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
struct autofs_sb_info *sbi = autofs_sbi(dir->i_sb);
struct autofs_info *ino = autofs_dentry_ino(dentry);
struct autofs_info *p_ino;
struct inode *inode;
if (!autofs4_oz_mode(sbi))
if (!autofs_oz_mode(sbi))
return -EACCES;
pr_debug("dentry %p, creating %pd\n", dentry, dentry);
BUG_ON(!ino);
autofs4_clean_ino(ino);
autofs_clean_ino(ino);
autofs4_del_active(dentry);
autofs_del_active(dentry);
inode = autofs4_get_inode(dir->i_sb, S_IFDIR | mode);
inode = autofs_get_inode(dir->i_sb, S_IFDIR | mode);
if (!inode)
return -ENOMEM;
d_add(dentry, inode);
@ -759,7 +759,7 @@ static int autofs4_dir_mkdir(struct inode *dir,
dget(dentry);
atomic_inc(&ino->count);
p_ino = autofs4_dentry_ino(dentry->d_parent);
p_ino = autofs_dentry_ino(dentry->d_parent);
if (p_ino && !IS_ROOT(dentry))
atomic_inc(&p_ino->count);
inc_nlink(dir);
@ -770,7 +770,7 @@ static int autofs4_dir_mkdir(struct inode *dir,
/* Get/set timeout ioctl() operation */
#ifdef CONFIG_COMPAT
static inline int autofs4_compat_get_set_timeout(struct autofs_sb_info *sbi,
static inline int autofs_compat_get_set_timeout(struct autofs_sb_info *sbi,
compat_ulong_t __user *p)
{
unsigned long ntimeout;
@ -795,7 +795,7 @@ static inline int autofs4_compat_get_set_timeout(struct autofs_sb_info *sbi,
}
#endif
static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
static inline int autofs_get_set_timeout(struct autofs_sb_info *sbi,
unsigned long __user *p)
{
unsigned long ntimeout;
@ -820,14 +820,14 @@ static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
}
/* Return protocol version */
static inline int autofs4_get_protover(struct autofs_sb_info *sbi,
static inline int autofs_get_protover(struct autofs_sb_info *sbi,
int __user *p)
{
return put_user(sbi->version, p);
}
/* Return protocol sub version */
static inline int autofs4_get_protosubver(struct autofs_sb_info *sbi,
static inline int autofs_get_protosubver(struct autofs_sb_info *sbi,
int __user *p)
{
return put_user(sbi->sub_version, p);
@ -836,7 +836,7 @@ static inline int autofs4_get_protosubver(struct autofs_sb_info *sbi,
/*
* Tells the daemon whether it can umount the autofs mount.
*/
static inline int autofs4_ask_umount(struct vfsmount *mnt, int __user *p)
static inline int autofs_ask_umount(struct vfsmount *mnt, int __user *p)
{
int status = 0;
@ -850,14 +850,14 @@ static inline int autofs4_ask_umount(struct vfsmount *mnt, int __user *p)
return status;
}
/* Identify autofs4_dentries - this is so we can tell if there's
/* Identify autofs_dentries - this is so we can tell if there's
* an extra dentry refcount or not. We only hold a refcount on the
* dentry if its non-negative (ie, d_inode != NULL)
*/
int is_autofs4_dentry(struct dentry *dentry)
int is_autofs_dentry(struct dentry *dentry)
{
return dentry && d_really_is_positive(dentry) &&
dentry->d_op == &autofs4_dentry_operations &&
dentry->d_op == &autofs_dentry_operations &&
dentry->d_fsdata != NULL;
}
@ -865,10 +865,10 @@ int is_autofs4_dentry(struct dentry *dentry)
* ioctl()'s on the root directory is the chief method for the daemon to
* generate kernel reactions
*/
static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
static int autofs_root_ioctl_unlocked(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct autofs_sb_info *sbi = autofs4_sbi(inode->i_sb);
struct autofs_sb_info *sbi = autofs_sbi(inode->i_sb);
void __user *p = (void __user *)arg;
pr_debug("cmd = 0x%08x, arg = 0x%08lx, sbi = %p, pgrp = %u\n",
@ -878,64 +878,63 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
_IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT)
return -ENOTTY;
if (!autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
return -EPERM;
switch (cmd) {
case AUTOFS_IOC_READY: /* Wait queue: go ahead and retry */
return autofs4_wait_release(sbi, (autofs_wqt_t) arg, 0);
return autofs_wait_release(sbi, (autofs_wqt_t) arg, 0);
case AUTOFS_IOC_FAIL: /* Wait queue: fail with ENOENT */
return autofs4_wait_release(sbi, (autofs_wqt_t) arg, -ENOENT);
return autofs_wait_release(sbi, (autofs_wqt_t) arg, -ENOENT);
case AUTOFS_IOC_CATATONIC: /* Enter catatonic mode (daemon shutdown) */
autofs4_catatonic_mode(sbi);
autofs_catatonic_mode(sbi);
return 0;
case AUTOFS_IOC_PROTOVER: /* Get protocol version */
return autofs4_get_protover(sbi, p);
return autofs_get_protover(sbi, p);
case AUTOFS_IOC_PROTOSUBVER: /* Get protocol sub version */
return autofs4_get_protosubver(sbi, p);
return autofs_get_protosubver(sbi, p);
case AUTOFS_IOC_SETTIMEOUT:
return autofs4_get_set_timeout(sbi, p);
return autofs_get_set_timeout(sbi, p);
#ifdef CONFIG_COMPAT
case AUTOFS_IOC_SETTIMEOUT32:
return autofs4_compat_get_set_timeout(sbi, p);
return autofs_compat_get_set_timeout(sbi, p);
#endif
case AUTOFS_IOC_ASKUMOUNT:
return autofs4_ask_umount(filp->f_path.mnt, p);
return autofs_ask_umount(filp->f_path.mnt, p);
/* return a single thing to expire */
case AUTOFS_IOC_EXPIRE:
return autofs4_expire_run(inode->i_sb,
filp->f_path.mnt, sbi, p);
return autofs_expire_run(inode->i_sb, filp->f_path.mnt, sbi, p);
/* same as above, but can send multiple expires through pipe */
case AUTOFS_IOC_EXPIRE_MULTI:
return autofs4_expire_multi(inode->i_sb,
filp->f_path.mnt, sbi, p);
return autofs_expire_multi(inode->i_sb,
filp->f_path.mnt, sbi, p);
default:
return -EINVAL;
}
}
static long autofs4_root_ioctl(struct file *filp,
static long autofs_root_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
return autofs_root_ioctl_unlocked(inode, filp, cmd, arg);
}
#ifdef CONFIG_COMPAT
static long autofs4_root_compat_ioctl(struct file *filp,
static long autofs_root_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
int ret;
if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
ret = autofs_root_ioctl_unlocked(inode, filp, cmd, arg);
else
ret = autofs4_root_ioctl_unlocked(inode, filp, cmd,
ret = autofs_root_ioctl_unlocked(inode, filp, cmd,
(unsigned long) compat_ptr(arg));
return ret;

16
fs/autofs4/symlink.c
View File

@ -8,22 +8,22 @@
#include "autofs_i.h"
static const char *autofs4_get_link(struct dentry *dentry,
struct inode *inode,
struct delayed_call *done)
static const char *autofs_get_link(struct dentry *dentry,
struct inode *inode,
struct delayed_call *done)
{
struct autofs_sb_info *sbi;
struct autofs_info *ino;
if (!dentry)
return ERR_PTR(-ECHILD);
sbi = autofs4_sbi(dentry->d_sb);
ino = autofs4_dentry_ino(dentry);
if (ino && !autofs4_oz_mode(sbi))
sbi = autofs_sbi(dentry->d_sb);
ino = autofs_dentry_ino(dentry);
if (ino && !autofs_oz_mode(sbi))
ino->last_used = jiffies;
return d_inode(dentry)->i_private;
}
const struct inode_operations autofs4_symlink_inode_operations = {
.get_link = autofs4_get_link
const struct inode_operations autofs_symlink_inode_operations = {
.get_link = autofs_get_link
};

53
fs/autofs4/waitq.c
View File

@ -17,9 +17,9 @@
/* We make this a static variable rather than a part of the superblock; it
* is better if we don't reassign numbers easily even across filesystems
*/
static autofs_wqt_t autofs4_next_wait_queue = 1;
static autofs_wqt_t autofs_next_wait_queue = 1;
void autofs4_catatonic_mode(struct autofs_sb_info *sbi)
void autofs_catatonic_mode(struct autofs_sb_info *sbi)
{
struct autofs_wait_queue *wq, *nwq;
@ -49,8 +49,8 @@ void autofs4_catatonic_mode(struct autofs_sb_info *sbi)
mutex_unlock(&sbi->wq_mutex);
}
static int autofs4_write(struct autofs_sb_info *sbi,
struct file *file, const void *addr, int bytes)
static int autofs_write(struct autofs_sb_info *sbi,
struct file *file, const void *addr, int bytes)
{
unsigned long sigpipe, flags;
const char *data = (const char *)addr;
@ -82,7 +82,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
return bytes == 0 ? 0 : wr < 0 ? wr : -EIO;
}
static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
static void autofs_notify_daemon(struct autofs_sb_info *sbi,
struct autofs_wait_queue *wq,
int type)
{
@ -167,23 +167,23 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
mutex_unlock(&sbi->wq_mutex);
switch (ret = autofs4_write(sbi, pipe, &pkt, pktsz)) {
switch (ret = autofs_write(sbi, pipe, &pkt, pktsz)) {
case 0:
break;
case -ENOMEM:
case -ERESTARTSYS:
/* Just fail this one */
autofs4_wait_release(sbi, wq->wait_queue_token, ret);
autofs_wait_release(sbi, wq->wait_queue_token, ret);
break;
default:
autofs4_catatonic_mode(sbi);
autofs_catatonic_mode(sbi);
break;
}
fput(pipe);
}
static int autofs4_getpath(struct autofs_sb_info *sbi,
struct dentry *dentry, char **name)
static int autofs_getpath(struct autofs_sb_info *sbi,
struct dentry *dentry, char **name)
{
struct dentry *root = sbi->sb->s_root;
struct dentry *tmp;
@ -228,7 +228,7 @@ static int autofs4_getpath(struct autofs_sb_info *sbi,
}
static struct autofs_wait_queue *
autofs4_find_wait(struct autofs_sb_info *sbi, const struct qstr *qstr)
autofs_find_wait(struct autofs_sb_info *sbi, const struct qstr *qstr)
{
struct autofs_wait_queue *wq;
@ -263,7 +263,7 @@ static int validate_request(struct autofs_wait_queue **wait,
return -ENOENT;
/* Wait in progress, continue; */
wq = autofs4_find_wait(sbi, qstr);
wq = autofs_find_wait(sbi, qstr);
if (wq) {
*wait = wq;
return 1;
@ -272,7 +272,7 @@ static int validate_request(struct autofs_wait_queue **wait,
*wait = NULL;
/* If we don't yet have any info this is a new request */
ino = autofs4_dentry_ino(dentry);
ino = autofs_dentry_ino(dentry);
if (!ino)
return 1;
@ -297,7 +297,7 @@ static int validate_request(struct autofs_wait_queue **wait,
if (sbi->catatonic)
return -ENOENT;
wq = autofs4_find_wait(sbi, qstr);
wq = autofs_find_wait(sbi, qstr);
if (wq) {
*wait = wq;
return 1;
@ -351,7 +351,7 @@ static int validate_request(struct autofs_wait_queue **wait,
return 1;
}
int autofs4_wait(struct autofs_sb_info *sbi,
int autofs_wait(struct autofs_sb_info *sbi,
const struct path *path, enum autofs_notify notify)
{
struct dentry *dentry = path->dentry;
@ -399,7 +399,7 @@ int autofs4_wait(struct autofs_sb_info *sbi,
if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type))
qstr.len = sprintf(name, "%p", dentry);
else {
qstr.len = autofs4_getpath(sbi, dentry, &name);
qstr.len = autofs_getpath(sbi, dentry, &name);
if (!qstr.len) {
kfree(name);
return -ENOENT;
@ -430,15 +430,15 @@ int autofs4_wait(struct autofs_sb_info *sbi,
return -ENOMEM;
}
wq->wait_queue_token = autofs4_next_wait_queue;
if (++autofs4_next_wait_queue == 0)
autofs4_next_wait_queue = 1;
wq->wait_queue_token = autofs_next_wait_queue;
if (++autofs_next_wait_queue == 0)
autofs_next_wait_queue = 1;
wq->next = sbi->queues;
sbi->queues = wq;
init_waitqueue_head(&wq->queue);
memcpy(&wq->name, &qstr, sizeof(struct qstr));
wq->dev = autofs4_get_dev(sbi);
wq->ino = autofs4_get_ino(sbi);
wq->dev = autofs_get_dev(sbi);
wq->ino = autofs_get_ino(sbi);
wq->uid = current_uid();
wq->gid = current_gid();
wq->pid = pid;
@ -467,9 +467,9 @@ int autofs4_wait(struct autofs_sb_info *sbi,
wq->name.name, notify);
/*
* autofs4_notify_daemon() may block; it will unlock ->wq_mutex
* autofs_notify_daemon() may block; it will unlock ->wq_mutex
*/
autofs4_notify_daemon(sbi, wq, type);
autofs_notify_daemon(sbi, wq, type);
} else {
wq->wait_ctr++;
pr_debug("existing wait id = 0x%08lx, name = %.*s, nfy=%d\n",
@ -500,12 +500,12 @@ int autofs4_wait(struct autofs_sb_info *sbi,
struct dentry *de = NULL;
/* direct mount or browsable map */
ino = autofs4_dentry_ino(dentry);
ino = autofs_dentry_ino(dentry);
if (!ino) {
/* If not lookup actual dentry used */
de = d_lookup(dentry->d_parent, &dentry->d_name);
if (de)
ino = autofs4_dentry_ino(de);
ino = autofs_dentry_ino(de);
}
/* Set mount requester */
@ -530,7 +530,8 @@ int autofs4_wait(struct autofs_sb_info *sbi,
}
int autofs4_wait_release(struct autofs_sb_info *sbi, autofs_wqt_t wait_queue_token, int status)
int autofs_wait_release(struct autofs_sb_info *sbi,
autofs_wqt_t wait_queue_token, int status)
{
struct autofs_wait_queue *wq, **wql;