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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.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 075f7e9abe47..6df65540e13d 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -49,7 +49,7 @@ int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
}
BUG_ON(blocks == 0 && revokes == 0);
- if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))
+ if (gfs2_withdrawn(sdp))
return -EROFS;
tr->tr_ip = ip;
@@ -85,25 +85,30 @@ int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
*/
down_read(&sdp->sd_log_flush_lock);
+ if (unlikely(!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)))
+ goto out_not_live;
if (gfs2_log_try_reserve(sdp, tr, &extra_revokes))
goto reserved;
+
up_read(&sdp->sd_log_flush_lock);
gfs2_log_reserve(sdp, tr, &extra_revokes);
down_read(&sdp->sd_log_flush_lock);
-
-reserved:
- gfs2_log_release_revokes(sdp, extra_revokes);
if (unlikely(!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))) {
- gfs2_log_release_revokes(sdp, tr->tr_revokes);
- up_read(&sdp->sd_log_flush_lock);
+ revokes = tr->tr_revokes + extra_revokes;
+ gfs2_log_release_revokes(sdp, revokes);
gfs2_log_release(sdp, tr->tr_reserved);
- sb_end_intwrite(sdp->sd_vfs);
- return -EROFS;
+ goto out_not_live;
}
+reserved:
+ gfs2_log_release_revokes(sdp, extra_revokes);
current->journal_info = tr;
-
return 0;
+
+out_not_live:
+ up_read(&sdp->sd_log_flush_lock);
+ sb_end_intwrite(sdp->sd_vfs);
+ return -EROFS;
}
int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
@@ -255,7 +260,6 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh)
struct gfs2_bufdata *bd;
struct gfs2_meta_header *mh;
struct gfs2_trans *tr = current->journal_info;
- bool withdraw = false;
lock_buffer(bh);
if (buffer_pinned(bh)) {
@@ -289,14 +293,14 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh)
(unsigned long long)bd->bd_bh->b_blocknr);
BUG();
}
- if (gfs2_withdrawing_or_withdrawn(sdp)) {
+ if (gfs2_withdrawn(sdp)) {
fs_info(sdp, "GFS2:adding buf while withdrawn! 0x%llx\n",
(unsigned long long)bd->bd_bh->b_blocknr);
goto out_unlock;
}
if (unlikely(sb->s_writers.frozen == SB_FREEZE_COMPLETE)) {
fs_info(sdp, "GFS2:adding buf while frozen\n");
- withdraw = true;
+ gfs2_withdraw(sdp);
goto out_unlock;
}
gfs2_pin(sdp, bd->bd_bh);
@@ -306,8 +310,6 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh)
tr->tr_num_buf_new++;
out_unlock:
gfs2_log_unlock(sdp);
- if (withdraw)
- gfs2_assert_withdraw(sdp, 0);
out:
unlock_buffer(bh);
}