linux

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History

Christoph Hellwig 5af7926ff3 enforce ->sync_fs is only called for rw superblock

Make sure a superblock really is writeable by checking MS_RDONLY
under s_umount.  sync_filesystems needed some re-arragement for
that, but all but one sync_filesystem caller had the correct locking
already so that we could add that check there.  cachefiles grew
s_umount locking.

I've also added a WARN_ON to sync_filesystem to assert this for
future callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2009-06-11 21:36:06 -04:00

bind.c

CacheFiles: A cache that backs onto a mounted filesystem

2009-04-03 16:42:41 +01:00

daemon.c

CacheFiles: A cache that backs onto a mounted filesystem

2009-04-03 16:42:41 +01:00

interface.c

enforce ->sync_fs is only called for rw superblock

2009-06-11 21:36:06 -04:00

internal.h

CacheFiles: Fixup renamed filenames in comments in internal.h