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commit d31a1825450062b85282b4afed1c840fd306d012
Author: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Date: Wed Dec 24 08:51:42 2014 +1100
xfs: Add support to RENAME_EXCHANGE flag
Adds a new function named xfs_cross_rename(), responsible for
handling requests from sys_renameat2() using RENAME_EXCHANGE flag.
Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit dbe1b5ca26396b6c61d711c8ac4de13ebb02e9f6
Author: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Date: Wed Dec 24 08:51:38 2014 +1100
xfs: Make xfs_vn_rename compliant with renameat2() syscall
To be able to support RENAME_EXCHANGE flag from renameat2() system
call, XFS must have its inode_operations updated, exporting .rename2
method, instead of .rename.
This patch just replaces the (now old) .rename method by .rename2,
using the same infra-structure, but checking rename flags. Calls to
.rename2 using RENAME_EXCHANGE flag, although now handled inside
XFS, still return -EINVAL.
RENAME_NOREPLACE is handled via VFS and we don't need to care about
it inside xfs_vn_rename.
Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
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