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| author | Carlos Maiolino <cmaiolino@redhat.com> | 2014-12-24 08:51:42 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2014-12-24 08:51:42 +1100 |
| commit | d31a1825450062b85282b4afed1c840fd306d012 (patch) | |
| tree | e0ef4c10543a9d78088b887c22d79a65d8eda4e0 /fs/xfs/xfs_iops.c | |
| parent | dbe1b5ca26396b6c61d711c8ac4de13ebb02e9f6 (diff) | |
| download | linux-d31a1825450062b85282b4afed1c840fd306d012.tar.gz linux-d31a1825450062b85282b4afed1c840fd306d012.tar.bz2 linux-d31a1825450062b85282b4afed1c840fd306d012.zip | |
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@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_iops.c')
| -rw-r--r-- | fs/xfs/xfs_iops.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index abb838a565ee..ce80eeb8faa4 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -384,19 +384,23 @@ xfs_vn_rename( unsigned int flags) { struct inode *new_inode = ndentry->d_inode; + int omode = 0; struct xfs_name oname; struct xfs_name nname; - /* XFS does not support RENAME_EXCHANGE yet */ - if (flags & ~RENAME_NOREPLACE) + if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE)) return -EINVAL; - xfs_dentry_to_name(&oname, odentry, 0); + /* if we are exchanging files, we need to set i_mode of both files */ + if (flags & RENAME_EXCHANGE) + omode = ndentry->d_inode->i_mode; + + xfs_dentry_to_name(&oname, odentry, omode); xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode); return xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), XFS_I(ndir), &nname, - new_inode ? XFS_I(new_inode) : NULL); + new_inode ? XFS_I(new_inode) : NULL, flags); } /* |