From 6de24f0ed08054b2a202902e4d63beff27654db8 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Thu, 28 Aug 2008 06:25:49 +0400 Subject: [PATCH 1/2] anondev: init IDR statically Signed-off-by: Alexey Dobriyan --- fs/super.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'fs/super.c') diff --git a/fs/super.c b/fs/super.c index e931ae9511f..dd23bf927fb 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_IDR(unnamed_dev_idr); static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */ int set_anon_super(struct super_block *s, void *data) @@ -726,11 +726,6 @@ void kill_anon_super(struct super_block *sb) 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) -- cgit v1.2.3 From ad76cbc63b9db7c98da49af3182a783ca1c80a5d Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Thu, 28 Aug 2008 06:26:23 +0400 Subject: [PATCH 2/2] anondev: switch to IDA Signed-off-by: Alexey Dobriyan --- fs/super.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/super.c') diff --git a/fs/super.c b/fs/super.c index dd23bf927fb..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 DEFINE_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; } @@ -720,7 +720,7 @@ 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); } -- cgit v1.2.3