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| author | Ian Kent <raven@themaw.net> | 2008-07-23 21:30:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 10:47:31 -0700 |
| commit | caf7da3d5d4d9dd873eb52d025d8cc63b89f1fdb (patch) | |
| tree | 9e53359c28c4247eae9685a5f9c63a5c0a54a7b1 /fs/autofs4 | |
| parent | 5f6f4f28b6ba543beef8bad91aa6f69c7ffeee51 (diff) | |
| download | linux-3.10-caf7da3d5d4d9dd873eb52d025d8cc63b89f1fdb.tar.gz linux-3.10-caf7da3d5d4d9dd873eb52d025d8cc63b89f1fdb.tar.bz2 linux-3.10-caf7da3d5d4d9dd873eb52d025d8cc63b89f1fdb.zip | |
autofs4: revert - redo lookup in ttfd
This patch series enables the use of a single dentry for lookups prior to
the dentry being hashed and so we no longer need to redo the lookup. This
patch reverts the patch of commit
033790449ba9c4dcf8478a87693d33df625c23b5.
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/autofs4')
| -rw-r--r-- | fs/autofs4/root.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index 9ead2279df4..53dabe8d5b8 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) { struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); struct autofs_info *ino = autofs4_dentry_ino(dentry); - struct dentry *new; int status; /* Block on any pending expiry here; invalidate the dentry @@ -320,26 +319,6 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags) dentry->d_flags &= ~DCACHE_AUTOFS_PENDING; spin_unlock(&dentry->d_lock); - /* - * The dentry that is passed in from lookup may not be the one - * we end up using, as mkdir can create a new one. If this - * happens, and another process tries the lookup at the same time, - * it will set the PENDING flag on this new dentry, but add itself - * to our waitq. Then, if after the lookup succeeds, the first - * process that requested the mount performs another lookup of the - * same directory, it will show up as still pending! So, we need - * to redo the lookup here and clear pending on that dentry. - */ - if (d_unhashed(dentry)) { - new = d_lookup(dentry->d_parent, &dentry->d_name); - if (new) { - spin_lock(&new->d_lock); - new->d_flags &= ~DCACHE_AUTOFS_PENDING; - spin_unlock(&new->d_lock); - dput(new); - } - } - return 0; } |