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authorNick Piggin <npiggin@suse.de>2009-01-06 14:40:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:09 -0800
commit856bf4d717feb8c55d4e2f817b71ebb70cfbc67b (patch)
treef44790d9b8f42223955d1866645103ac5f9c68a3 /mm/filemap.c
parent38f21977663126fef53f5585e7f1653d8ebe55c4 (diff)
downloadconfigs-856bf4d717feb8c55d4e2f817b71ebb70cfbc67b.tar.gz
fs: sys_sync fix
s_syncing livelock avoidance was breaking data integrity guarantee of sys_sync, by allowing sys_sync to skip writing or waiting for superblocks if there is a concurrent sys_sync happening. This livelock avoidance is much less important now that we don't have the get_super_to_sync() call after every sb that we sync. This was replaced by __put_super_and_need_restart. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap.c')
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