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Diffstat (limited to 'fs/fat/file.c')
-rw-r--r--fs/fat/file.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 27cc1164ec36..7059928fb351 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -229,7 +229,8 @@ static int fat_free(struct inode *inode, int skip)
void fat_truncate(struct inode *inode)
{
- struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
+ struct super_block *sb = inode->i_sb;
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
const unsigned int cluster_size = sbi->cluster_size;
int nr_clusters;
@@ -242,9 +243,9 @@ void fat_truncate(struct inode *inode)
nr_clusters = (inode->i_size + (cluster_size - 1)) >> sbi->cluster_bits;
- lock_kernel();
+ lock_super(sb);
fat_free(inode, nr_clusters);
- unlock_kernel();
+ unlock_super(sb);
fat_flush_inodes(inode->i_sb, inode, NULL);
}
@@ -297,12 +298,13 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
int fat_setattr(struct dentry *dentry, struct iattr *attr)
{
+ struct super_block *sb = dentry->d_sb;
struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
struct inode *inode = dentry->d_inode;
int mask, error = 0;
unsigned int ia_valid;
- lock_kernel();
+ lock_super(sb);
/*
* Expand the file. Since inode_setattr() updates ->i_size
@@ -356,7 +358,7 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
mask = sbi->options.fs_fmask;
inode->i_mode &= S_IFMT | (S_IRWXUGO & ~mask);
out:
- unlock_kernel();
+ unlock_super(sb);
return error;
}
EXPORT_SYMBOL_GPL(fat_setattr);