diff options
Diffstat (limited to 'fs/autofs/root.c')
-rw-r--r-- | fs/autofs/root.c | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/fs/autofs/root.c b/fs/autofs/root.c index e646569c75ed..29abafc0ce31 100644 --- a/fs/autofs/root.c +++ b/fs/autofs/root.c @@ -60,38 +60,15 @@ const struct dentry_operations autofs_dentry_operations = { .d_release = autofs_dentry_release, }; -static void autofs_add_active(struct dentry *dentry) -{ - struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb); - struct autofs_info *ino; - - ino = autofs_dentry_ino(dentry); - if (ino) { - spin_lock(&sbi->lookup_lock); - if (!ino->active_count) { - if (list_empty(&ino->active)) - list_add(&ino->active, &sbi->active_list); - } - ino->active_count++; - spin_unlock(&sbi->lookup_lock); - } -} - static void autofs_del_active(struct dentry *dentry) { struct autofs_sb_info *sbi = autofs_sbi(dentry->d_sb); struct autofs_info *ino; ino = autofs_dentry_ino(dentry); - if (ino) { - spin_lock(&sbi->lookup_lock); - ino->active_count--; - if (!ino->active_count) { - if (!list_empty(&ino->active)) - list_del_init(&ino->active); - } - spin_unlock(&sbi->lookup_lock); - } + spin_lock(&sbi->lookup_lock); + list_del_init(&ino->active); + spin_unlock(&sbi->lookup_lock); } static int autofs_dir_open(struct inode *inode, struct file *file) @@ -527,19 +504,22 @@ static struct dentry *autofs_lookup(struct inode *dir, if (!autofs_oz_mode(sbi) && !IS_ROOT(dentry->d_parent)) return ERR_PTR(-ENOENT); - /* Mark entries in the root as mount triggers */ - if (IS_ROOT(dentry->d_parent) && - autofs_type_indirect(sbi->type)) - __managed_dentry_set_managed(dentry); - ino = autofs_new_ino(sbi); if (!ino) return ERR_PTR(-ENOMEM); + spin_lock(&sbi->lookup_lock); + spin_lock(&dentry->d_lock); + /* Mark entries in the root as mount triggers */ + if (IS_ROOT(dentry->d_parent) && + autofs_type_indirect(sbi->type)) + __managed_dentry_set_managed(dentry); dentry->d_fsdata = ino; ino->dentry = dentry; - autofs_add_active(dentry); + list_add(&ino->active, &sbi->active_list); + spin_unlock(&sbi->lookup_lock); + spin_unlock(&dentry->d_lock); } return NULL; } |