[XFS updates] XFS development tree branch, master, updated. for-linus-v3.11-rc1-7-g42c49d7

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  42c49d7 xfs: fix sgid inheritance for subdirectories inheriting default acls [V3]
      from  b0a9dab78aee2a479d7c226e6939d553967e4024 (commit)

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- Log -----------------------------------------------------------------
commit 42c49d7f249c2487f36d3314753d5d8ebcee8249
Author: Carlos Maiolino <cmaiolino@redhat.com>
Date:   Fri Jun 21 14:45:53 2013 -0300

    xfs: fix sgid inheritance for subdirectories inheriting default acls [V3]
    
    XFS removes sgid bits of subdirectories under a directory containing a default
    acl.
    
    When a default acl is set, it implies xfs to call xfs_setattr_nonsize() in its
    code path. Such function is shared among mkdir and chmod system calls, and
    does some checks unneeded by mkdir (calling inode_change_ok()). Such checks
    remove sgid bit from the inode after it has been granted.
    
    With this patch, we extend the meaning of XFS_ATTR_NOACL flag to avoid these
    checks when acls are being inherited (thanks hch).
    
    Also, xfs_setattr_mode, doesn't need to re-check for group id and capabilities
    permissions, this only implies in another try to remove sgid bit from the
    directories. Such check is already done either on inode_change_ok() or
    xfs_setattr_nonsize().
    
    Changelog:
    
    V2: Extends the meaning of XFS_ATTR_NOACL instead of wrap the tests into another
        function
    
    V3: Remove S_ISDIR check in xfs_setattr_nonsize() from the patch
    
    Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
    Reviewed-by: Ben Myers <bpm@sgi.com>
    Signed-off-by: Ben Myers <bpm@sgi.com>

-----------------------------------------------------------------------

Summary of changes:
 fs/xfs/xfs_iops.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)


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