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-rw-r--r--fs/autofs4/root.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 9ead2279df4f..53dabe8d5b8b 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -242,7 +242,6 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
242{ 242{
243 struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); 243 struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
244 struct autofs_info *ino = autofs4_dentry_ino(dentry); 244 struct autofs_info *ino = autofs4_dentry_ino(dentry);
245 struct dentry *new;
246 int status; 245 int status;
247 246
248 /* Block on any pending expiry here; invalidate the dentry 247 /* Block on any pending expiry here; invalidate the dentry
@@ -320,26 +319,6 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
320 dentry->d_flags &= ~DCACHE_AUTOFS_PENDING; 319 dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;
321 spin_unlock(&dentry->d_lock); 320 spin_unlock(&dentry->d_lock);
322 321
323 /*
324 * The dentry that is passed in from lookup may not be the one
325 * we end up using, as mkdir can create a new one. If this
326 * happens, and another process tries the lookup at the same time,
327 * it will set the PENDING flag on this new dentry, but add itself
328 * to our waitq. Then, if after the lookup succeeds, the first
329 * process that requested the mount performs another lookup of the
330 * same directory, it will show up as still pending! So, we need
331 * to redo the lookup here and clear pending on that dentry.
332 */
333 if (d_unhashed(dentry)) {
334 new = d_lookup(dentry->d_parent, &dentry->d_name);
335 if (new) {
336 spin_lock(&new->d_lock);
337 new->d_flags &= ~DCACHE_AUTOFS_PENDING;
338 spin_unlock(&new->d_lock);
339 dput(new);
340 }
341 }
342
343 return 0; 322 return 0;
344} 323}
345 324