LU-2017 mdc: add layout swap between 2 objects

[fs/lustre-release.git] / lustre / llite / llite_internal.h

diff --git a/lustre/llite/llite_internal.h b/lustre/llite/llite_internal.h
index a38ca9e..9329d6c 100644 (file)
--- a/lustre/llite/llite_internal.h
+++ b/lustre/llite/llite_internal.h
@@ -402,6 +402,26 @@ enum stats_track_type {
 #define LL_SBI_LAYOUT_LOCK    0x20000 /* layout lock support */
 #define LL_SBI_USER_FID2PATH  0x40000 /* allow fid2path by unprivileged users */
 
+#define LL_SBI_FLAGS {         \
+       "nolck",        \
+       "checksum",     \
+       "flock",        \
+       "xattr",        \
+       "acl",          \
+       "rmt_client",   \
+       "mds_capa",     \
+       "oss_capa",     \
+       "flock",        \
+       "lru_resize",   \
+       "lazy_statfs",  \
+       "som",          \
+       "32bit_api",    \
+       "64bit_hash",   \
+       "agl",          \
+       "verbose",      \
+       "layout",       \
+       "user_fid2path" }
+
 /* default value for ll_sb_info->contention_time */
 #define SBI_DEFAULT_CONTENTION_SECONDS     60
 /* default value for lockless_truncate_enable */
@@ -1605,7 +1625,11 @@ struct if_quotactl_18 {
 #warning "remove old LL_IOC_QUOTACTL_18 compatibility code"
 #endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0) */
 
-#define LL_LAYOUT_GEN_ZERO     ((__u32)-1)
+enum {
+       LL_LAYOUT_GEN_NONE  = ((__u32)-2),      /* layout lock was cancelled */
+       LL_LAYOUT_GEN_EMPTY = ((__u32)-1)       /* for empty layout */
+};
+
 int ll_layout_conf(struct inode *inode, const struct cl_object_conf *conf);
 int ll_layout_refresh(struct inode *inode, __u32 *gen);