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-rw-r--r--fs/read_write.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 74e36586e4d..e757ef26e4c 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -124,7 +124,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin)
{
loff_t retval;
- lock_kernel();
+ mutex_lock(&file->f_dentry->d_inode->i_mutex);
switch (origin) {
case SEEK_END:
offset += i_size_read(file->f_path.dentry->d_inode);
@@ -145,7 +145,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin)
retval = offset;
}
out:
- unlock_kernel();
+ mutex_unlock(&file->f_dentry->d_inode->i_mutex);
return retval;
}
EXPORT_SYMBOL(default_llseek);
@@ -156,7 +156,6 @@ loff_t vfs_llseek(struct file *file, loff_t offset, int origin)
fn = no_llseek;
if (file->f_mode & FMODE_LSEEK) {
- fn = default_llseek;
if (file->f_op && file->f_op->llseek)
fn = file->f_op->llseek;
}