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Revision 5a6d41b32a17ca902ef50fdfa170d7f23264bad5 authored by Trond Myklebust on 14 April 2007, 23:10:12 UTC, committed by Linus Torvalds on 15 April 2007, 04:46:48 UTC 
NFS: Ensure PG_writeback is cleared when writeback fails
 
If the writebacks are cancelled via nfs_cancel_dirty_list, or due to the
memory allocation failing in nfs_flush_one/nfs_flush_multi, then we must
ensure that the PG_writeback flag is cleared.

Also ensure that we actually own the PG_writeback flag whenever we
schedule a new writeback by making nfs_set_page_writeback() return the
value of test_set_page_writeback().
The PG_writeback page flag ends up replacing the functionality of the
PG_FLUSHING nfs_page flag, so we rip that out too.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 60fa3f7
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File Mode Size
Makefile -rw-r--r-- 69 bytes
file.c -rw-r--r-- 10.6 KB
inode.c -rw-r--r-- 10.9 KB
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