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lustre: don't need to lock inode in directory lseek

Note that lustre has its private mutex protecting directory pagecache;
if they ever remove it, they'll need to be careful with PageChecked()
use.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-04-20 20:49:14 -04:00
parent 8cb0d2c1c7
commit 060ff688ca

View File

@ -1865,7 +1865,6 @@ static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
int api32 = ll_need_32bit_api(sbi);
loff_t ret = -EINVAL;
inode_lock(inode);
switch (origin) {
case SEEK_SET:
break;
@ -1903,7 +1902,6 @@ static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
goto out;
out:
inode_unlock(inode);
return ret;
}
@ -1922,7 +1920,7 @@ const struct file_operations ll_dir_operations = {
.open = ll_dir_open,
.release = ll_dir_release,
.read = generic_read_dir,
.iterate = ll_readdir,
.iterate_shared = ll_readdir,
.unlocked_ioctl = ll_dir_ioctl,
.fsync = ll_fsync,
};