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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 14:48:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 14:48:31 -0700
commitd1794f2c5b5817eb79ccc5e00701ca748d1b073a (patch)
tree5a4c98e694e88a8c82f342d0cc9edb2a4cbbef36 /fs/msdos/namei.c
parenta41eebab7537890409ea9dfe0fcda9b5fbdb090d (diff)
parent2fceef397f9880b212a74c418290ce69e7ac00eb (diff)
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits) IB/umad: BKL is not needed for ib_umad_open() IB/uverbs: BKL is not needed for ib_uverbs_open() bf561-coreb: BKL unneeded for open() Call fasync() functions without the BKL snd/PCM: fasync BKL pushdown ipmi: fasync BKL pushdown ecryptfs: fasync BKL pushdown Bluetooth VHCI: fasync BKL pushdown tty_io: fasync BKL pushdown tun: fasync BKL pushdown i2o: fasync BKL pushdown mpt: fasync BKL pushdown Remove BKL from remote_llseek v2 Make FAT users happier by not deadlocking x86-mce: BKL pushdown vmwatchdog: BKL pushdown vmcp: BKL pushdown via-pmu: BKL pushdown uml-random: BKL pushdown uml-mmapper: BKL pushdown ...
Diffstat (limited to 'fs/msdos/namei.c')
-rw-r--r--fs/msdos/namei.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c
index 05ff4f1d702..1f7f2956412 100644
--- a/fs/msdos/namei.c
+++ b/fs/msdos/namei.c
@@ -214,7 +214,7 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry,
dentry->d_op = &msdos_dentry_operations;
- lock_kernel();
+ lock_super(sb);
res = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
if (res == -ENOENT)
goto add;
@@ -232,7 +232,7 @@ add:
if (dentry)
dentry->d_op = &msdos_dentry_operations;
out:
- unlock_kernel();
+ unlock_super(sb);
if (!res)
return dentry;
return ERR_PTR(res);
@@ -286,7 +286,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, int mode,
unsigned char msdos_name[MSDOS_NAME];
int err, is_hid;
- lock_kernel();
+ lock_super(sb);
err = msdos_format_name(dentry->d_name.name, dentry->d_name.len,
msdos_name, &MSDOS_SB(sb)->options);
@@ -315,7 +315,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, int mode,
d_instantiate(dentry, inode);
out:
- unlock_kernel();
+ unlock_super(sb);
if (!err)
err = fat_flush_inodes(sb, dir, inode);
return err;
@@ -324,11 +324,12 @@ out:
/***** Remove a directory */
static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
{
+ struct super_block *sb = dir->i_sb;
struct inode *inode = dentry->d_inode;
struct fat_slot_info sinfo;
int err;
- lock_kernel();
+ lock_super(sb);
/*
* Check whether the directory is not in use, then check
* whether it is empty.
@@ -349,9 +350,9 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
inode->i_ctime = CURRENT_TIME_SEC;
fat_detach(inode);
out:
- unlock_kernel();
+ unlock_super(sb);
if (!err)
- err = fat_flush_inodes(inode->i_sb, dir, inode);
+ err = fat_flush_inodes(sb, dir, inode);
return err;
}
@@ -366,7 +367,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, int mode)
struct timespec ts;
int err, is_hid, cluster;
- lock_kernel();
+ lock_super(sb);
err = msdos_format_name(dentry->d_name.name, dentry->d_name.len,
msdos_name, &MSDOS_SB(sb)->options);
@@ -404,14 +405,14 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, int mode)
d_instantiate(dentry, inode);
- unlock_kernel();
+ unlock_super(sb);
fat_flush_inodes(sb, dir, inode);
return 0;
out_free:
fat_free_clusters(dir, cluster);
out:
- unlock_kernel();
+ unlock_super(sb);
return err;
}
@@ -419,10 +420,11 @@ out:
static int msdos_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
+ struct super_block *sb= inode->i_sb;
struct fat_slot_info sinfo;
int err;
- lock_kernel();
+ lock_super(sb);
err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
if (err)
goto out;
@@ -434,9 +436,9 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry)
inode->i_ctime = CURRENT_TIME_SEC;
fat_detach(inode);
out:
- unlock_kernel();
+ unlock_super(sb);
if (!err)
- err = fat_flush_inodes(inode->i_sb, dir, inode);
+ err = fat_flush_inodes(sb, dir, inode);
return err;
}
@@ -618,10 +620,11 @@ error_inode:
static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
+ struct super_block *sb = old_dir->i_sb;
unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME];
int err, is_hid;
- lock_kernel();
+ lock_super(sb);
err = msdos_format_name(old_dentry->d_name.name,
old_dentry->d_name.len, old_msdos_name,
@@ -640,9 +643,9 @@ static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry,
err = do_msdos_rename(old_dir, old_msdos_name, old_dentry,
new_dir, new_msdos_name, new_dentry, is_hid);
out:
- unlock_kernel();
+ unlock_super(sb);
if (!err)
- err = fat_flush_inodes(old_dir->i_sb, old_dir, new_dir);
+ err = fat_flush_inodes(sb, old_dir, new_dir);
return err;
}