diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-16 21:42:32 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-18 01:21:29 -0500 |
| commit | b89b12b46211d971d75e5ca8249817bc9e11c453 (patch) | |
| tree | 3b846ec3daa6ce9e301668121b8c335b0d879470 /fs/autofs4 | |
| parent | 26e6c910670171410577c7df2aebe94cef76e150 (diff) | |
| download | lwn-b89b12b46211d971d75e5ca8249817bc9e11c453.tar.gz lwn-b89b12b46211d971d75e5ca8249817bc9e11c453.zip | |
autofs4: clean ->d_release() and autofs4_free_ino() up
The latter is called only when both ino and dentry are about to
be freed, so cleaning ->d_fsdata and ->dentry is pointless.
Acked-by: Ian Kent <raven@themaw.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/autofs4')
| -rw-r--r-- | fs/autofs4/autofs_i.h | 1 | ||||
| -rw-r--r-- | fs/autofs4/inode.c | 4 | ||||
| -rw-r--r-- | fs/autofs4/root.c | 30 |
3 files changed, 16 insertions, 19 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index bfa0c6e542f2..54f923792728 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -338,5 +338,4 @@ static inline void autofs4_del_expiring(struct dentry *dentry) return; } -void autofs4_dentry_release(struct dentry *); extern void autofs4_kill_sb(struct super_block *); diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 0df0c7c46fa2..180fa2425e49 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -43,10 +43,6 @@ void autofs4_clean_ino(struct autofs_info *ino) void autofs4_free_ino(struct autofs_info *ino) { - if (ino->dentry) { - ino->dentry->d_fsdata = NULL; - ino->dentry = NULL; - } kfree(ino); } diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index f7c97c084c1f..014e7aba3b08 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -37,6 +37,7 @@ static int autofs4_dir_open(struct inode *inode, struct file *file); static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *); static struct vfsmount *autofs4_d_automount(struct path *); static int autofs4_d_manage(struct dentry *, bool, bool); +static void autofs4_dentry_release(struct dentry *); const struct file_operations autofs4_root_operations = { .open = dcache_dir_open, @@ -138,25 +139,26 @@ out: return dcache_dir_open(inode, file); } -void autofs4_dentry_release(struct dentry *de) +static void autofs4_dentry_release(struct dentry *de) { - struct autofs_info *inf; + struct autofs_info *ino = autofs4_dentry_ino(de); + struct autofs_sb_info *sbi = autofs4_sbi(de->d_sb); DPRINTK("releasing %p", de); - inf = autofs4_dentry_ino(de); - if (inf) { - struct autofs_sb_info *sbi = autofs4_sbi(de->d_sb); - if (sbi) { - spin_lock(&sbi->lookup_lock); - if (!list_empty(&inf->active)) - list_del(&inf->active); - if (!list_empty(&inf->expiring)) - list_del(&inf->expiring); - spin_unlock(&sbi->lookup_lock); - } - autofs4_free_ino(inf); + if (!ino) + return; + + if (sbi) { + spin_lock(&sbi->lookup_lock); + if (!list_empty(&ino->active)) + list_del(&ino->active); + if (!list_empty(&ino->expiring)) + list_del(&ino->expiring); + spin_unlock(&sbi->lookup_lock); } + + autofs4_free_ino(ino); } static struct dentry *autofs4_lookup_active(struct dentry *dentry) |