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authorIan Kent <raven@themaw.net>2009-12-15 16:45:51 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 07:19:58 -0800
commit213614d583748d00967a91cacd656f417efb36ce (patch)
treef24b85cb8192af7f6723f3886fba3da55ccfbe0d /fs/autofs4/inode.c
parentcb4b492ac7595aad10756fe0b04691f0965e0cfc (diff)
downloadop-kernel-dev-213614d583748d00967a91cacd656f417efb36ce.zip
op-kernel-dev-213614d583748d00967a91cacd656f417efb36ce.tar.gz
autofs4: always use lookup for lookup
We need to be able to cope with the directory mutex being held during ->d_revalidate() in some cases, but not all cases, and not necessarily by us. Because we need to release the mutex when we call back to the daemon to do perform a mount we must be sure that it is us who holds the mutex so we must redirect mount requests to ->lookup() if the mutex is held. Signed-off-by: Ian Kent <raven@themaw.net> Cc: Sage Weil <sage@newdream.net> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Andreas Dilger <adilger@sun.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Yehuda Saheh <yehuda@newdream.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/autofs4/inode.c')
-rw-r--r--fs/autofs4/inode.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 4670a78..d0a3de2 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -49,6 +49,7 @@ struct autofs_info *autofs4_init_ino(struct autofs_info *ino,
ino->dentry = NULL;
ino->size = 0;
INIT_LIST_HEAD(&ino->active);
+ INIT_LIST_HEAD(&ino->rehash_list);
ino->active_count = 0;
INIT_LIST_HEAD(&ino->expiring);
atomic_set(&ino->count, 0);
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