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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:22:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:22:40 -0700
commit5ed487bc2c44ca4e9668ef9cb54c830e2a9fac47 (patch)
treeaf19ed28db83e8f52690872ac99336da1cf2fd3b /fs/super.c
parent5b34653963de7a6d0d8c783527457d68fddc60fb (diff)
parentfd217f4d70172c526478f2bc76859e909fdfa674 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (46 commits) [PATCH] fs: add a sanity check in d_free [PATCH] i_version: remount support [patch] vfs: make security_inode_setattr() calling consistent [patch 1/3] FS_MBCACHE: don't needlessly make it built-in [PATCH] move executable checking into ->permission() [PATCH] fs/dcache.c: update comment of d_validate() [RFC PATCH] touch_mnt_namespace when the mount flags change [PATCH] reiserfs: add missing llseek method [PATCH] fix ->llseek for more directories [PATCH vfs-2.6 6/6] vfs: add LOOKUP_RENAME_TARGET intent [PATCH vfs-2.6 5/6] vfs: remove LOOKUP_PARENT from non LOOKUP_PARENT lookup [PATCH vfs-2.6 4/6] vfs: remove unnecessary fsnotify_d_instantiate() [PATCH vfs-2.6 3/6] vfs: add __d_instantiate() helper [PATCH vfs-2.6 2/6] vfs: add d_ancestor() [PATCH vfs-2.6 1/6] vfs: replace parent == dentry->d_parent by IS_ROOT() [PATCH] get rid of on-stack dentry in udf [PATCH 2/2] anondev: switch to IDA [PATCH 1/2] anondev: init IDR statically [JFFS2] Use d_splice_alias() not d_add() in jffs2_lookup() [PATCH] Optimise NFS readdir hack slightly. ...
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/fs/super.c b/fs/super.c
index e931ae9511f..f31ef824d06 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -682,7 +682,7 @@ void emergency_remount(void)
* filesystems which don't use real block-devices. -- jrs
*/
-static struct idr unnamed_dev_idr;
+static DEFINE_IDA(unnamed_dev_ida);
static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */
int set_anon_super(struct super_block *s, void *data)
@@ -691,10 +691,10 @@ int set_anon_super(struct super_block *s, void *data)
int error;
retry:
- if (idr_pre_get(&unnamed_dev_idr, GFP_ATOMIC) == 0)
+ if (ida_pre_get(&unnamed_dev_ida, GFP_ATOMIC) == 0)
return -ENOMEM;
spin_lock(&unnamed_dev_lock);
- error = idr_get_new(&unnamed_dev_idr, NULL, &dev);
+ error = ida_get_new(&unnamed_dev_ida, &dev);
spin_unlock(&unnamed_dev_lock);
if (error == -EAGAIN)
/* We raced and lost with another CPU. */
@@ -704,7 +704,7 @@ int set_anon_super(struct super_block *s, void *data)
if ((dev & MAX_ID_MASK) == (1 << MINORBITS)) {
spin_lock(&unnamed_dev_lock);
- idr_remove(&unnamed_dev_idr, dev);
+ ida_remove(&unnamed_dev_ida, dev);
spin_unlock(&unnamed_dev_lock);
return -EMFILE;
}
@@ -720,17 +720,12 @@ void kill_anon_super(struct super_block *sb)
generic_shutdown_super(sb);
spin_lock(&unnamed_dev_lock);
- idr_remove(&unnamed_dev_idr, slot);
+ ida_remove(&unnamed_dev_ida, slot);
spin_unlock(&unnamed_dev_lock);
}
EXPORT_SYMBOL(kill_anon_super);
-void __init unnamed_dev_init(void)
-{
- idr_init(&unnamed_dev_idr);
-}
-
void kill_litter_super(struct super_block *sb)
{
if (sb->s_root)