LU-1732 utils: allow ldiskfs wide striping with ea_inode

Format the MDT filesystem with the "ea_inode" option by default
so that files can have more than 160 stripes, and large xattrs
over one filesystem block in size (normally 4096 bytes).

Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Signed-off-by: Li Dongyang <dongyangli@ddn.com>
Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I71589c13e59a9d13db3bf075282cf6334b86be30
Reviewed-on: https://review.whamcloud.com/4315
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

diff --git a/lustre/utils/libmount_utils_ldiskfs.c b/lustre/utils/libmount_utils_ldiskfs.c
index bf97b95..60179b6 100644 (file)
--- a/lustre/utils/libmount_utils_ldiskfs.c
+++ b/lustre/utils/libmount_utils_ldiskfs.c
@@ -607,6 +607,10 @@ static int enable_default_ext4_features(struct mkfs_opts *mop, char *anchor,
        if (enable_64bit || strstr(mop->mo_mkfsopts, "meta_bg"))
                append_unique(anchor, ",", "^resize_inode", NULL, maxbuflen);
 
+       /* Allow xattrs larger than one block, stored in a separate inode */
+       if (IS_MDT(&mop->mo_ldd) && is_e2fsprogs_feature_supp("-O ea_inode"))
+               append_unique(anchor, ",", "ea_inode", NULL, maxbuflen);
+
        /* Cluster inode/block bitmaps and inode table for more efficient IO.
         * Align the flex groups on a 1MB boundary for better performance. */
        /* This -O feature needs to go last, since it adds the "-G" option. */