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authorArnd Bergmann <arnd@arndb.de>2010-10-21 15:53:15 +0200
committerArnd Bergmann <arnd@arndb.de>2010-10-21 18:48:04 +0200
commit073c21416268658bd1bc573af85eeac2ebb56ed5 (patch)
tree66553303809cc8c1ef7229058d8d5a5670bb301f /fs/qnx4/inode.c
parent5a44a73b9015e89cfb280ba0534dfcbf1ef29d05 (diff)
downloadop-kernel-dev-073c21416268658bd1bc573af85eeac2ebb56ed5.zip
op-kernel-dev-073c21416268658bd1bc573af85eeac2ebb56ed5.tar.gz
BKL: remove BKL from qnx4
All uses of the BKL in qnx4 were the result of a pushdown into code that doesn't really need it. As Christoph points out, this is a read-only file system, which eliminates most of the races in readdir/lookup. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Anders Larsen <al@alarsen.net> Cc: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/qnx4/inode.c')
-rw-r--r--fs/qnx4/inode.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 86a7be1..01bad30 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -16,7 +16,6 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/highuid.h>
-#include <linux/smp_lock.h>
#include <linux/pagemap.h>
#include <linux/buffer_head.h>
#include <linux/writeback.h>
@@ -157,8 +156,6 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
struct super_block *sb = dentry->d_sb;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
- lock_kernel();
-
buf->f_type = sb->s_magic;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size) * 8;
@@ -168,8 +165,6 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_fsid.val[0] = (u32)id;
buf->f_fsid.val[1] = (u32)(id >> 32);
- unlock_kernel();
-
return 0;
}
@@ -234,13 +229,9 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent)
struct qnx4_sb_info *qs;
int ret = -EINVAL;
- lock_kernel();
-
qs = kzalloc(sizeof(struct qnx4_sb_info), GFP_KERNEL);
- if (!qs) {
- unlock_kernel();
+ if (!qs)
return -ENOMEM;
- }
s->s_fs_info = qs;
sb_set_blocksize(s, QNX4_BLOCK_SIZE);
@@ -287,8 +278,6 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent)
goto outi;
brelse(bh);
-
- unlock_kernel();
return 0;
outi:
@@ -298,7 +287,6 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent)
outnobh:
kfree(qs);
s->s_fs_info = NULL;
- unlock_kernel();
return ret;
}
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