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authorNick Piggin <nickpiggin@yahoo.com.au>2007-01-30 14:36:27 +1100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-29 20:20:42 -0800
commit87df7241bd547da5d4d4a4e5397866dfe422e439 (patch)
treeffe1e90a761aa358ef95e351e0718cb3c377ad37 /block/scsi_ioctl.c
parent4cbf2aa35e1c189db234190fefc6c83b139ef963 (diff)
downloadlinux-87df7241bd547da5d4d4a4e5397866dfe422e439.tar.gz
[PATCH] Fix try_to_free_buffer() locking
Fix commit ecdfc9787fe527491baefc22dce8b2dbd5b2908d Not to put too fine a point on it, but in a nutshell... __set_page_dirty_buffers() | try_to_free_buffers() ---------------------------+--------------------------- | spin_lock(private_lock); | drop_bufers() | spin_unlock(private_lock); spin_lock(private_lock) | !page_has_buffers() | spin_unlock(private_lock) | SetPageDirty() | | cancel_dirty_page() oops! Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'block/scsi_ioctl.c')
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