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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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[PATCH] "ext[34]: EA block reference count racing fix" performance fix
A little mistake in 8a2bfdcbfa441d8b0e5cb9c9a7f45f77f80da465 is making all
transactions synchronous, which reduces ext3 performance to comical levels.
Cc: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
authored by Andrew Morton and committed by Linus Torvalds 105fd108 cee9e8c5
+2
-1
fs/ext3/xattr.c
+2
-1
fs/ext3/xattr.c
···
495
BHDR(bh)->h_refcount = cpu_to_le32(
496
le32_to_cpu(BHDR(bh)->h_refcount) - 1);
497
error = ext3_journal_dirty_metadata(handle, bh);
498
+
if (IS_SYNC(inode))
499
+
handle->h_sync = 1;
500
DQUOT_FREE_BLOCK(inode, 1);
501
ea_bdebug(bh, "refcount now=%d; releasing",
502
le32_to_cpu(BHDR(bh)->h_refcount));