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btrfs: refactor btrfs_set_prop and add btrfs_set_prop_trans

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btrfs_set_prop() takes transaction pointer as the first argument,
however in ioctl.c for the purpose of setting the compression property,
we call btrfs_set_prop() with NULL transaction pointer. Down in
the call chain  btrfs_setxattr() starts transaction to update the
attribute and also to update the inode.

So for clarity, create btrfs_set_prop_trans() with no transaction
pointer as argument, in preparation to start transaction here instead of
doing it down the call chain at btrfs_setxattr().

Also now the btrfs_set_prop() is a static function.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain
2019-03-01 12:34:50 +08:00
committed by David Sterba
parent 419a6f30fd
commit 262c96a3c3
4 changed files with 18 additions and 13 deletions
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2
fs/btrfs/xattr.c
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@@ -379,7 +379,7 @@ static int btrfs_xattr_handler_set_prop(const struct xattr_handler *handler,
size_t size, int flags)
{
name = xattr_full_name(handler, name);
return btrfs_set_prop(NULL, inode, name, value, size, flags);
return btrfs_set_prop_trans(inode, name, value, size, flags);
}
static const struct xattr_handler btrfs_security_xattr_handler = {