diff options
Diffstat (limited to 'fs/autofs/root.c')
-rw-r--r-- | fs/autofs/root.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/fs/autofs/root.c b/fs/autofs/root.c index 29abafc0ce31..5aaa1732bf1e 100644 --- a/fs/autofs/root.c +++ b/fs/autofs/root.c @@ -569,10 +569,9 @@ static int autofs_dir_symlink(struct inode *dir, d_add(dentry, inode); dget(dentry); - atomic_inc(&ino->count); + ino->count++; p_ino = autofs_dentry_ino(dentry->d_parent); - if (p_ino && !IS_ROOT(dentry)) - atomic_inc(&p_ino->count); + p_ino->count++; dir->i_mtime = current_time(dir); @@ -610,11 +609,9 @@ static int autofs_dir_unlink(struct inode *dir, struct dentry *dentry) if (sbi->flags & AUTOFS_SBI_CATATONIC) return -EACCES; - if (atomic_dec_and_test(&ino->count)) { - p_ino = autofs_dentry_ino(dentry->d_parent); - if (p_ino && !IS_ROOT(dentry)) - atomic_dec(&p_ino->count); - } + ino->count--; + p_ino = autofs_dentry_ino(dentry->d_parent); + p_ino->count--; dput(ino->dentry); d_inode(dentry)->i_size = 0; @@ -660,7 +657,6 @@ static void autofs_set_leaf_automount_flags(struct dentry *dentry) static void autofs_clear_leaf_automount_flags(struct dentry *dentry) { - struct list_head *d_child; struct dentry *parent; /* flags for dentrys in the root are handled elsewhere */ @@ -673,10 +669,7 @@ static void autofs_clear_leaf_automount_flags(struct dentry *dentry) /* only consider parents below dentrys in the root */ if (IS_ROOT(parent->d_parent)) return; - d_child = &dentry->d_child; - /* Set parent managed if it's becoming empty */ - if (d_child->next == &parent->d_subdirs && - d_child->prev == &parent->d_subdirs) + if (autofs_dentry_ino(parent)->count == 2) managed_dentry_set_managed(parent); } @@ -698,11 +691,10 @@ static int autofs_dir_rmdir(struct inode *dir, struct dentry *dentry) if (sbi->flags & AUTOFS_SBI_CATATONIC) return -EACCES; - spin_lock(&sbi->lookup_lock); - if (!simple_empty(dentry)) { - spin_unlock(&sbi->lookup_lock); + if (ino->count != 1) return -ENOTEMPTY; - } + + spin_lock(&sbi->lookup_lock); __autofs_add_expiring(dentry); d_drop(dentry); spin_unlock(&sbi->lookup_lock); @@ -710,11 +702,9 @@ static int autofs_dir_rmdir(struct inode *dir, struct dentry *dentry) if (sbi->version < 5) autofs_clear_leaf_automount_flags(dentry); - if (atomic_dec_and_test(&ino->count)) { - p_ino = autofs_dentry_ino(dentry->d_parent); - if (p_ino && dentry->d_parent != dentry) - atomic_dec(&p_ino->count); - } + ino->count--; + p_ino = autofs_dentry_ino(dentry->d_parent); + p_ino->count--; dput(ino->dentry); d_inode(dentry)->i_size = 0; clear_nlink(d_inode(dentry)); @@ -760,10 +750,9 @@ static int autofs_dir_mkdir(struct inode *dir, autofs_set_leaf_automount_flags(dentry); dget(dentry); - atomic_inc(&ino->count); + ino->count++; p_ino = autofs_dentry_ino(dentry->d_parent); - if (p_ino && !IS_ROOT(dentry)) - atomic_inc(&p_ino->count); + p_ino->count++; inc_nlink(dir); dir->i_mtime = current_time(dir); |