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ocfs2: Fix possible deadlock in ocfs2_write_dquot()
authorJan Kara <jack@suse.cz>
Mon, 12 Jan 2009 22:20:32 +0000 (23:20 +0100)
committerMark Fasheh <mfasheh@suse.com>
Mon, 2 Feb 2009 22:20:17 +0000 (14:20 -0800)
commitf8afead7169f0f28a4b421bcbdb510e52a2d094d
tree83245132376808a9a03868b6beb28d66e1f2a8fatree | snapshot
parentea455f8ab68338ba69f5d3362b342c115bea8e13commit | diff
ocfs2: Fix possible deadlock in ocfs2_write_dquot()

It could happen that some limit has been set via quotactl() and in parallel
->mark_dirty() is called from another thread doing e.g. dquot_alloc_space(). In
such case ocfs2_write_dquot() must not try to sync the dquot because that needs
global quota lock but that ranks above transaction start.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
fs/ocfs2/quota_global.c diff | blob | history
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