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authorMark Fasheh <mark.fasheh@oracle.com>2006-10-09 17:26:22 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2006-12-01 18:28:23 -0800
commit65eff9ccf86d63eb5c3e9071450a36e4e4fa9564 (patch)
tree3610e008294ce4e5cfbc9abff3c98153f35ed2d4 /fs
parentdae85832ffe2879b57b23aea319a0ec17667898d (diff)
downloadop-kernel-dev-65eff9ccf86d63eb5c3e9071450a36e4e4fa9564.zip
op-kernel-dev-65eff9ccf86d63eb5c3e9071450a36e4e4fa9564.tar.gz
ocfs2: remove handle argument to ocfs2_start_trans()
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/alloc.c7
-rw-r--r--fs/ocfs2/aops.c2
-rw-r--r--fs/ocfs2/dir.c2
-rw-r--r--fs/ocfs2/file.c11
-rw-r--r--fs/ocfs2/inode.c4
-rw-r--r--fs/ocfs2/ioctl.c2
-rw-r--r--fs/ocfs2/journal.c29
-rw-r--r--fs/ocfs2/journal.h1
-rw-r--r--fs/ocfs2/localalloc.c6
-rw-r--r--fs/ocfs2/namei.c10
-rw-r--r--fs/ocfs2/suballoc.c2
11 files changed, 30 insertions, 46 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index f3dbd31..354817a 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -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 @@ start:
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;
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index c369399..fcdcdf6 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -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);
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 2bda5f3..036c891 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -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;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 9eb60f2..100754d 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -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 @@ restart_all:
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);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 7708c63..ac78877 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -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);
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index e927758..7527358 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -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);
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 81fb917..6d9658b 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -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,
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index d96f61a..3c0d15c 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -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);
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 9dd208d..2ae567a 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -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;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 9a56bfd..d63ab7b 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -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;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index ea63a519..186d2c3 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -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;
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