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kernfs: no point locking directory around that generic_file_llseek() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
steinar/wifi_calib_4_9_kernel
Al Viro 2016-04-20 19:59:01 -04:00
parent a01b3007ff
commit 8cb0d2c1c7
1 changed files with 2 additions and 15 deletions
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17
fs/kernfs/dir.c
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@ -1643,22 +1643,9 @@ static int kernfs_fop_readdir(struct file *file, struct dir_context *ctx)
return 0;
}
static loff_t kernfs_dir_fop_llseek(struct file *file, loff_t offset,
int whence)
{
struct inode *inode = file_inode(file);
loff_t ret;
inode_lock(inode);
ret = generic_file_llseek(file, offset, whence);
inode_unlock(inode);
return ret;
}
const struct file_operations kernfs_dir_fops = {
.read = generic_read_dir,
.iterate = kernfs_fop_readdir,
.iterate_shared = kernfs_fop_readdir,
.release = kernfs_dir_fop_release,
.llseek = kernfs_dir_fop_llseek,
.llseek = generic_file_llseek,
};