luck/tmp_suning_uos_patched
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dcache.c: call ->d_prune() regardless of d_unhashed()

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the only in-tree instance checks d_unhashed() anyway,
out-of-tree code can preserve the current behaviour by
adding such check if they want it and we get an ability
to use it in cases where we *want* to be notified of
killing being inevitable before ->d_lock is dropped,
whether it's unhashed or not.  In particular, autofs
would benefit from that.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-05-30 11:39:02 -04:00
parent 29355c3904
commit 2926620145
1 changed files with 1 additions and 1 deletions
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2
fs/dcache.c
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@ -482,7 +482,7 @@ static void __dentry_kill(struct dentry *dentry)
* inform the fs via d_prune that this dentry is about to be
* unhashed and destroyed.
*/
if ((dentry->d_flags & DCACHE_OP_PRUNE) && !d_unhashed(dentry))
if (dentry->d_flags & DCACHE_OP_PRUNE)
dentry->d_op->d_prune(dentry);
if (dentry->d_flags & DCACHE_LRU_LIST) {