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authorJeff Mahoney <jeffm@suse.com>2009-03-30 22:02:39 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 23:16:38 +0400
commit0ab2621ebd9a28bf7a524ecd50d492a10579dfcc (patch)
tree62dda6de2fed116aff363190f95a58d56c690e3e /include/linux/byteorder
parent48b32a3553a54740d236b79a90f20147a25875e3 (diff)
downloadlinux-0ab2621ebd9a28bf7a524ecd50d492a10579dfcc.tar.xz
reiserfs: journaled xattrs
Deadlocks are possible in the xattr code between the journal lock and the xattr sems. This patch implements journalling for xattr operations. The benefit is twofold: * It gets rid of the deadlock possibility by always ensuring that xattr write operations are initiated inside a transaction. * It corrects the problem where xattr backing files aren't considered any differently than normal files, despite the fact they are metadata. I discussed the added journal load with Chris Mason, and we decided that since xattrs (versus other journal activity) is fairly rare, the introduction of larger transactions to support journaled xattrs wouldn't be too big a deal. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/byteorder')
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