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path: root/fs/gfs2/trans.c
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Diffstat (limited to 'fs/gfs2/trans.c')
-rw-r--r--fs/gfs2/trans.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index ae040b570868..db29ca253853 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -37,10 +37,10 @@ static void gfs2_print_trans(struct gfs2_sbd *sdp, const struct gfs2_trans *tr)
tr->tr_num_revoke, tr->tr_num_revoke_rm);
}
-int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
- unsigned int revokes)
+int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
+ unsigned int blocks, unsigned int revokes,
+ unsigned long ip)
{
- struct gfs2_trans *tr;
int error;
if (current->journal_info) {
@@ -52,15 +52,10 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))
return -EROFS;
- tr = kmem_cache_zalloc(gfs2_trans_cachep, GFP_NOFS);
- if (!tr)
- return -ENOMEM;
-
- tr->tr_ip = _RET_IP_;
+ tr->tr_ip = ip;
tr->tr_blocks = blocks;
tr->tr_revokes = revokes;
tr->tr_reserved = 1;
- set_bit(TR_ALLOCED, &tr->tr_flags);
if (blocks)
tr->tr_reserved += 6 + blocks;
if (revokes)
@@ -74,17 +69,28 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
sb_start_intwrite(sdp->sd_vfs);
error = gfs2_log_reserve(sdp, tr->tr_reserved);
- if (error)
- goto fail;
+ if (error) {
+ sb_end_intwrite(sdp->sd_vfs);
+ return error;
+ }
current->journal_info = tr;
return 0;
+}
-fail:
- sb_end_intwrite(sdp->sd_vfs);
- kmem_cache_free(gfs2_trans_cachep, tr);
+int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
+ unsigned int revokes)
+{
+ struct gfs2_trans *tr;
+ int error;
+ tr = kmem_cache_zalloc(gfs2_trans_cachep, GFP_NOFS);
+ if (!tr)
+ return -ENOMEM;
+ error = __gfs2_trans_begin(tr, sdp, blocks, revokes, _RET_IP_);
+ if (error)
+ kmem_cache_free(gfs2_trans_cachep, tr);
return error;
}
@@ -92,13 +98,12 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
{
struct gfs2_trans *tr = current->journal_info;
s64 nbuf;
- int alloced = test_bit(TR_ALLOCED, &tr->tr_flags);
current->journal_info = NULL;
if (!test_bit(TR_TOUCHED, &tr->tr_flags)) {
gfs2_log_release(sdp, tr->tr_reserved);
- if (alloced)
+ if (!test_bit(TR_ONSTACK, &tr->tr_flags))
gfs2_trans_free(sdp, tr);
sb_end_intwrite(sdp->sd_vfs);
return;
@@ -113,7 +118,8 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
gfs2_print_trans(sdp, tr);
gfs2_log_commit(sdp, tr);
- if (alloced && !test_bit(TR_ATTACHED, &tr->tr_flags))
+ if (!test_bit(TR_ONSTACK, &tr->tr_flags) &&
+ !test_bit(TR_ATTACHED, &tr->tr_flags))
gfs2_trans_free(sdp, tr);
up_read(&sdp->sd_log_flush_lock);