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ocfs2: remove handle argument to ocfs2_start_trans()

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All callers either pass in NULL directly, or a local variable that is
already set to NULL.

The internals of ocfs2_start_trans() get a nice cleanup as a result.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Mark Fasheh 2006-10-09 17:26:22 -07:00
parent dae85832ff
commit 65eff9ccf8
11 changed files with 30 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
fs/ocfs2/alloc.c
View File

@ -1158,7 +1158,7 @@ static int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
goto out_mutex;
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_TRUNCATE_LOG_UPDATE);
handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -1365,8 +1365,7 @@ int ocfs2_complete_truncate_log_recovery(struct ocfs2_super *osb,
}
}
handle = ocfs2_start_trans(osb, NULL,
OCFS2_TRUNCATE_LOG_UPDATE);
handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -1860,7 +1859,7 @@ int ocfs2_commit_truncate(struct ocfs2_super *osb,
credits = ocfs2_calc_tree_trunc_credits(osb->sb, clusters_to_del,
fe, el);
handle = ocfs2_start_trans(osb, NULL, credits);
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;

2
fs/ocfs2/aops.c
View File

@ -364,7 +364,7 @@ struct ocfs2_journal_handle *ocfs2_start_walk_page_trans(struct inode *inode,
struct ocfs2_journal_handle *handle = NULL;
int ret = 0;
handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (!handle) {
ret = -ENOMEM;
mlog_errno(ret);

2
fs/ocfs2/dir.c
View File

@ -442,7 +442,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
credits = OCFS2_SIMPLE_DIR_EXTEND_CREDITS;
}
handle = ocfs2_start_trans(osb, NULL, credits);
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;

11
fs/ocfs2/file.c
View File

@ -165,8 +165,7 @@ static int ocfs2_simple_size_update(struct inode *inode,
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_journal_handle *handle = NULL;
handle = ocfs2_start_trans(osb, NULL,
OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (handle == NULL) {
ret = -ENOMEM;
mlog_errno(ret);
@ -196,7 +195,7 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
/* TODO: This needs to actually orphan the inode in this
* transaction. */
handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -496,7 +495,7 @@ static int ocfs2_extend_allocation(struct inode *inode,
drop_alloc_sem = 1;
credits = ocfs2_calc_extend_credits(osb->sb, fe, clusters_to_add);
handle = ocfs2_start_trans(osb, NULL, credits);
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@ -832,7 +831,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
}
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@ -905,7 +904,7 @@ static int ocfs2_write_remove_suid(struct inode *inode)
mlog_entry("(Inode %llu, mode 0%o)\n",
(unsigned long long)oi->ip_blkno, inode->i_mode);
handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (handle == NULL) {
ret = -ENOMEM;
mlog_errno(ret);

4
fs/ocfs2/inode.c
View File

@ -524,7 +524,7 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb,
if (!fe->i_clusters)
goto bail;
handle = ocfs2_start_trans(osb, handle, OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@ -590,7 +590,7 @@ static int ocfs2_remove_inode(struct inode *inode,
goto bail;
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_DELETE_INODE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);

2
fs/ocfs2/ioctl.c
View File

@ -67,7 +67,7 @@ static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
if (!S_ISDIR(inode->i_mode))
flags &= ~OCFS2_DIRSYNC_FL;
handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);

29
fs/ocfs2/journal.c
View File

@ -129,20 +129,16 @@ static struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
* you pass it a handle however, it may still return error, in which
* case it has free'd the passed handle for you. */
struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
struct ocfs2_journal_handle *handle,
int max_buffs)
{
int ret;
journal_t *journal = osb->journal->j_journal;
mlog_entry("(max_buffs = %d)\n", max_buffs);
struct ocfs2_journal_handle *handle;
BUG_ON(!osb || !osb->journal->j_journal);
if (ocfs2_is_hard_readonly(osb)) {
ret = -EROFS;
goto done_free;
}
if (ocfs2_is_hard_readonly(osb))
return ERR_PTR(-EROFS);
BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE);
BUG_ON(max_buffs <= 0);
@ -153,13 +149,11 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
BUG();
}
if (!handle)
handle = ocfs2_alloc_handle(osb);
handle = ocfs2_alloc_handle(osb);
if (!handle) {
ret = -ENOMEM;
mlog(ML_ERROR, "Failed to allocate memory for journal "
"handle!\n");
goto done_free;
mlog_errno(ret);
return ERR_PTR(ret);
}
down_read(&osb->journal->j_trans_barrier);
@ -168,6 +162,7 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
handle->k_handle = journal_start(journal, max_buffs);
if (IS_ERR(handle->k_handle)) {
up_read(&osb->journal->j_trans_barrier);
kfree(handle);
ret = PTR_ERR(handle->k_handle);
handle->k_handle = NULL;
@ -177,20 +172,12 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
ocfs2_abort(osb->sb, "Detected aborted journal");
ret = -EROFS;
}
goto done_free;
return ERR_PTR(ret);
}
atomic_inc(&(osb->journal->j_num_trans));
mlog_exit_ptr(handle);
return handle;
done_free:
if (handle)
kfree(handle);
mlog_exit(ret);
return ERR_PTR(ret);
}
void ocfs2_commit_trans(struct ocfs2_super *osb,

1
fs/ocfs2/journal.h
View File

@ -216,7 +216,6 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode)
* perfectly legal to go through an entire transaction without having
* dirtied any buffers. */
struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
struct ocfs2_journal_handle *handle,
int max_buffs);
void ocfs2_commit_trans(struct ocfs2_super *osb,
struct ocfs2_journal_handle *handle);

6
fs/ocfs2/localalloc.c
View File

@ -238,7 +238,7 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
}
/* WINDOW_MOVE_CREDITS is a bit heavy... */
handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS);
if (IS_ERR(handle)) {
mlog_errno(PTR_ERR(handle));
handle = NULL;
@ -405,7 +405,7 @@ int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
goto out_mutex;
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@ -896,7 +896,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
goto bail;
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;

10
fs/ocfs2/namei.c
View File

@ -379,7 +379,7 @@ static int ocfs2_mknod(struct inode *dir,
}
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_MKNOD_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@ -696,7 +696,7 @@ static int ocfs2_link(struct dentry *old_dentry,
goto out_unlock_inode;
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_LINK_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
handle = NULL;
@ -886,7 +886,7 @@ static int ocfs2_unlink(struct inode *dir,
}
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_UNLINK_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@ -1284,7 +1284,7 @@ static int ocfs2_rename(struct inode *old_dir,
}
}
handle = ocfs2_start_trans(osb, NULL, OCFS2_RENAME_CREDITS);
handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@ -1652,7 +1652,7 @@ static int ocfs2_symlink(struct inode *dir,
}
}
handle = ocfs2_start_trans(osb, NULL, credits);
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;

2
fs/ocfs2/suballoc.c
View File

@ -302,7 +302,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
credits = ocfs2_calc_group_alloc_credits(osb->sb,
le16_to_cpu(cl->cl_cpg));
handle = ocfs2_start_trans(osb, handle, credits);
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;