From e40b34c7921534a46f7bae23ec6646d3d9c2c7b2 Mon Sep 17 00:00:00 2001 From: Marco Stornelli Date: Sat, 6 Oct 2012 12:40:03 +0200 Subject: fat: drop lock/unlock super Removed lock/unlock super. Added a new private s_lock mutex. Signed-off-by: Marco Stornelli Signed-off-by: Al Viro --- fs/fat/namei_msdos.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'fs/fat/namei_msdos.c') diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index c1055e778fff..e2cfda94a28d 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -208,7 +208,7 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry, struct inode *inode; int err; - lock_super(sb); + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo); switch (err) { case -ENOENT: @@ -221,7 +221,7 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry, default: inode = ERR_PTR(err); } - unlock_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); return d_splice_alias(inode, dentry); } @@ -273,7 +273,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode, unsigned char msdos_name[MSDOS_NAME]; int err, is_hid; - lock_super(sb); + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_format_name(dentry->d_name.name, dentry->d_name.len, msdos_name, &MSDOS_SB(sb)->options); @@ -302,7 +302,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode, d_instantiate(dentry, inode); out: - unlock_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); if (!err) err = fat_flush_inodes(sb, dir, inode); return err; @@ -316,7 +316,7 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry) struct fat_slot_info sinfo; int err; - lock_super(sb); + mutex_lock(&MSDOS_SB(sb)->s_lock); /* * Check whether the directory is not in use, then check * whether it is empty. @@ -337,7 +337,7 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry) inode->i_ctime = CURRENT_TIME_SEC; fat_detach(inode); out: - unlock_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); if (!err) err = fat_flush_inodes(sb, dir, inode); @@ -354,7 +354,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) struct timespec ts; int err, is_hid, cluster; - lock_super(sb); + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_format_name(dentry->d_name.name, dentry->d_name.len, msdos_name, &MSDOS_SB(sb)->options); @@ -392,14 +392,14 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) d_instantiate(dentry, inode); - unlock_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); fat_flush_inodes(sb, dir, inode); return 0; out_free: fat_free_clusters(dir, cluster); out: - unlock_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); return err; } @@ -411,7 +411,7 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry) struct fat_slot_info sinfo; int err; - lock_super(sb); + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo); if (err) goto out; @@ -423,7 +423,7 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry) inode->i_ctime = CURRENT_TIME_SEC; fat_detach(inode); out: - unlock_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); if (!err) err = fat_flush_inodes(sb, dir, inode); @@ -606,7 +606,7 @@ static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry, unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME]; int err, is_hid; - lock_super(sb); + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_format_name(old_dentry->d_name.name, old_dentry->d_name.len, old_msdos_name, @@ -625,7 +625,7 @@ 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_super(sb); + mutex_unlock(&MSDOS_SB(sb)->s_lock); if (!err) err = fat_flush_inodes(sb, old_dir, new_dir); return err; -- cgit v1.2.3