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NFSv4: Ensure asynchronous open() calls always pin the mountpoint

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A number of race conditions may currently ensue if the user presses ^C
and then unmounts the partition while an asynchronous open() is in
progress.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2007-06-05 12:30:00 -04:00
parent 539cd03a57
commit ad389da79f
2 changed files with 32 additions and 18 deletions
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2
fs/nfs/dir.c
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@@ -1244,7 +1244,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode,
attr.ia_mode = mode;
attr.ia_valid = ATTR_MODE;
if (nd && (nd->flags & LOOKUP_CREATE))
if ((nd->flags & LOOKUP_CREATE) != 0)
open_flags = nd->intent.open.flags;
lock_kernel();