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    Subject[RFC 24/26] union-mount: dont report EROFS for union mounts
    SuS v2 requires we report a read only fs too. For union-mounts this is a very
    expensive check. So I'm lazy and just disable the check if we are on a lower
    layer of an union.

    Signed-off-by: Jan Blunck <>
    fs/open.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/fs/open.c
    +++ b/fs/open.c
    @@ -483,7 +483,7 @@ asmlinkage long sys_faccessat(int dfd, c
    goto out_path_release;

    - if(IS_RDONLY(nd.dentry->d_inode))
    + if (!(nd.um_flags & LAST_LOWLEVEL) && IS_RDONLY(nd.dentry->d_inode))
    res = -EROFS;


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      Last update: 2007-07-30 18:23    [W:0.019 / U:1.672 seconds]
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