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authorSteven Whitehouse <swhiteho@redhat.com>2006-03-01 11:39:37 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2006-03-01 11:39:37 -0500
commite317ffcb7cc26c5e80cab97160a5e2761a4436ec (patch)
tree0a5e5765f4fe9032b19f71e22a549df3f0012627 /fs/gfs2
parentb3f58d8f2b1200f1b9abbcfb9dec6c25bc787469 (diff)
[GFS2] Remove uneeded memory allocation
For every filesystem operation where we need a transaction, we now make one less memory allocation. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/trans.c30
2 files changed, 13 insertions, 19 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 2443e9aad59..c741016d07d 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -360,7 +360,7 @@ struct gfs2_trans {
unsigned int tr_revokes;
unsigned int tr_reserved;
- struct gfs2_holder *tr_t_gh;
+ struct gfs2_holder tr_t_gh;
int tr_touched;
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 2cce68aec13..5d1f4a1e407 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -53,18 +53,15 @@ int gfs2_trans_begin_i(struct gfs2_sbd *sdp, unsigned int blocks,
sizeof(uint64_t));
INIT_LIST_HEAD(&tr->tr_list_buf);
- error = -ENOMEM;
- tr->tr_t_gh = gfs2_holder_get(sdp->sd_trans_gl, LM_ST_SHARED,
- GL_NEVER_RECURSE, GFP_NOFS);
- if (!tr->tr_t_gh)
- goto fail;
+ gfs2_holder_init(sdp->sd_trans_gl, LM_ST_SHARED,
+ GL_NEVER_RECURSE, &tr->tr_t_gh);
- error = gfs2_glock_nq(tr->tr_t_gh);
+ error = gfs2_glock_nq(&tr->tr_t_gh);
if (error)
- goto fail_holder_put;
+ goto fail_holder_uninit;
if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
- tr->tr_t_gh->gh_flags |= GL_NOCACHE;
+ tr->tr_t_gh.gh_flags |= GL_NOCACHE;
error = -EROFS;
goto fail_gunlock;
}
@@ -78,12 +75,10 @@ int gfs2_trans_begin_i(struct gfs2_sbd *sdp, unsigned int blocks,
return 0;
fail_gunlock:
- gfs2_glock_dq(tr->tr_t_gh);
+ gfs2_glock_dq(&tr->tr_t_gh);
- fail_holder_put:
- gfs2_holder_put(tr->tr_t_gh);
-
- fail:
+ fail_holder_uninit:
+ gfs2_holder_uninit(&tr->tr_t_gh);
kfree(tr);
return error;
@@ -100,16 +95,15 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
if (gfs2_assert_warn(sdp, tr))
return;
- t_gh = tr->tr_t_gh;
- tr->tr_t_gh = NULL;
+ t_gh = &tr->tr_t_gh;
if (!tr->tr_touched) {
gfs2_log_release(sdp, tr->tr_reserved);
- kfree(tr);
gfs2_glock_dq(t_gh);
- gfs2_holder_put(t_gh);
+ gfs2_holder_uninit(t_gh);
+ kfree(tr);
return;
}
@@ -127,7 +121,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
gfs2_log_commit(sdp, tr);
gfs2_glock_dq(t_gh);
- gfs2_holder_put(t_gh);
+ gfs2_holder_uninit(t_gh);
if (sdp->sd_vfs->s_flags & MS_SYNCHRONOUS)
gfs2_log_flush(sdp);