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GFS2: fix s_writers.counter imbalance in gfs2_ail_empty_gl

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gfs2_ail_empty_gl() contains an "inline version" of gfs2_trans_begin(),
so it needs an explicit sb_start_intwrite() as well, to balance the
sb_end_intwrite() which will be called by gfs2_trans_end().

With this, xfstest 068 passes on lock_nolock local gfs2.
Without it, we reach a writer count of -1 and get stuck.

Signed-off-by: Eric Sandeen <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
This commit is contained in:
Eric Sandeen 2012-09-17 21:50:31 -05:00 • committed by Steven Whitehouse
commit a0b4df2943
1 changed files with 1 additions and 0 deletions
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1
fs/gfs2/glops.c
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@ -94,6 +94,7 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
/* A shortened, inline version of gfs2_trans_begin() */
tr.tr_reserved = 1 + gfs2_struct2blk(sdp, tr.tr_revokes, sizeof(u64));
tr.tr_ip = (unsigned long)__builtin_return_address(0);
sb_start_intwrite(sdp->sd_vfs);
gfs2_log_reserve(sdp, tr.tr_reserved);
BUG_ON(current->journal_info);
current->journal_info = &tr;