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ext2: support statx syscall

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Since statx, every filesystem should fill the attributes/attributes_mask
in routine getattr. But the generic_fillattr has not fill that, so add
ext2_getattr to do this. This can fix generic/424 while testing ext2.

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
yangerkun 2019-02-18 09:07:02 +08:00 committed by Jan Kara
parent 4f5edd82eb
commit 93bc420ed4
5 changed files with 32 additions and 0 deletions
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1
fs/ext2/ext2.h
View File

@ -774,6 +774,7 @@ extern int ext2_write_inode (struct inode *, struct writeback_control *);
extern void ext2_evict_inode(struct inode *);
extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern int ext2_setattr (struct dentry *, struct iattr *);
extern int ext2_getattr (const struct path *, struct kstat *, u32, unsigned int);
extern void ext2_set_inode_flags(struct inode *inode);
extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);

1
fs/ext2/file.c
View File

@ -199,6 +199,7 @@ const struct inode_operations ext2_file_inode_operations = {
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
#endif
.getattr = ext2_getattr,
.setattr = ext2_setattr,
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,

26
fs/ext2/inode.c
View File

@ -1637,6 +1637,32 @@ int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
}
int ext2_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_falgs)
{
struct inode *inode = d_inode(path->dentry);
struct ext2_inode_info *ei = EXT2_I(inode);
unsigned int flags;
flags = ei->i_flags & EXT2_FL_USER_VISIBLE;
if (flags & EXT2_APPEND_FL)
stat->attributes |= STATX_ATTR_APPEND;
if (flags & EXT2_COMPR_FL)
stat->attributes |= STATX_ATTR_COMPRESSED;
if (flags & EXT2_IMMUTABLE_FL)
stat->attributes |= STATX_ATTR_IMMUTABLE;
if (flags & EXT2_NODUMP_FL)
stat->attributes |= STATX_ATTR_NODUMP;
stat->attributes_mask |= (STATX_ATTR_APPEND |
STATX_ATTR_COMPRESSED |
STATX_ATTR_ENCRYPTED |
STATX_ATTR_IMMUTABLE |
STATX_ATTR_NODUMP);
generic_fillattr(inode, stat);
return 0;
}
int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);

2
fs/ext2/namei.c
View File

@ -416,6 +416,7 @@ const struct inode_operations ext2_dir_inode_operations = {
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
#endif
.getattr = ext2_getattr,
.setattr = ext2_setattr,
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,
@ -426,6 +427,7 @@ const struct inode_operations ext2_special_inode_operations = {
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
#endif
.getattr = ext2_getattr,
.setattr = ext2_setattr,
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,

2
fs/ext2/symlink.c
View File

@ -23,6 +23,7 @@
const struct inode_operations ext2_symlink_inode_operations = {
.get_link = page_get_link,
.getattr = ext2_getattr,
.setattr = ext2_setattr,
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
@ -31,6 +32,7 @@ const struct inode_operations ext2_symlink_inode_operations = {
const struct inode_operations ext2_fast_symlink_inode_operations = {
.get_link = simple_get_link,
.getattr = ext2_getattr,
.setattr = ext2_setattr,
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,