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353c2ea735
btrfs_setxattr_trans() is called by 5 functions as below and all of them
do updates. None of them would be roun on a read-only root.
So its ok to remove the readonly root check here as it's a high-level
conditon.
1.
__btrfs_set_acl()
btrfs_init_acl()
btrfs_init_inode_security()
2.
__btrfs_set_acl()
btrfs_set_acl()
3.
btrfs_set_prop()
btrfs_set_prop_trans()
/ \
btrfs_ioctl_setflags() btrfs_xattr_handler_set_prop()
4.
btrfs_xattr_handler_set()
5.
btrfs_initxattrs()
btrfs_xattr_security_init()
btrfs_init_inode_security()
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.