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btrfs: split btrfs_setxattr calls regarding transaction

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When the caller has already created the transaction handle,
btrfs_setxattr() will use it. Also adds assert in btrfs_setxattr().

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 2019-04-12 16:02:58 +08:00 • committed by David Sterba
parent 353c2ea735
commit 04e6863b19
3 changed files with 33 additions and 13 deletions
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6
fs/btrfs/xattr.c
View file

@ -86,6 +86,8 @@ int btrfs_setxattr(struct btrfs_trans_handle *trans, struct inode *inode,
size_t name_len = strlen(name);
int ret = 0;
ASSERT(trans);
if (name_len + size > BTRFS_MAX_XATTR_SIZE(root->fs_info))
return -ENOSPC;
@ -437,8 +439,8 @@ static int btrfs_initxattrs(struct inode *inode,
}
strcpy(name, XATTR_SECURITY_PREFIX);
strcpy(name + XATTR_SECURITY_PREFIX_LEN, xattr->name);
err = btrfs_setxattr_trans(trans, inode, name, xattr->value,
xattr->value_len, 0);
err = btrfs_setxattr(trans, inode, name, xattr->value,
xattr->value_len, 0);
kfree(name);
if (err < 0)
break;