LU-10582 out: can't obtain remote acl xattr

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_handler.c

diff --git a/lustre/osd-ldiskfs/osd_handler.c b/lustre/osd-ldiskfs/osd_handler.c
index 09a6be4..7bcf863 100644 (file)
--- a/lustre/osd-ldiskfs/osd_handler.c
+++ b/lustre/osd-ldiskfs/osd_handler.c
@@ -77,6 +77,9 @@
 
 #include <lustre_linkea.h>
 
+/* Maximum EA size is limited by LNET_MTU for remote objects */
+#define OSD_MAX_EA_SIZE 1048364
+
 int ldiskfs_pdo = 1;
 module_param(ldiskfs_pdo, int, 0644);
 MODULE_PARM_DESC(ldiskfs_pdo, "ldiskfs with parallel directory operations");
@@ -2174,6 +2177,9 @@ static void osd_conf_get(const struct lu_env *env,
 #endif
                param->ddp_max_ea_size = sb->s_blocksize - ea_overhead;
 
+       if (param->ddp_max_ea_size > OSD_MAX_EA_SIZE)
+               param->ddp_max_ea_size = OSD_MAX_EA_SIZE;
+
        /* Preferred RPC size for efficient disk IO.  4MB shows good
         * all-around performance for ldiskfs, but use bigalloc chunk size
         * by default if larger. */