From: NeilBrown DCACHE_PRIVATE may be used by any filesystem for its own purposes, much like d_fsdata and d_time. I plan to use this in a similar manner the way nfs stores NFS_FSDATA_BLOCKED in d_fsdata. Signed-off-by: NeilBrown --- include/linux/dcache.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/dcache.h b/include/linux/dcache.h index e7e3ef05313b..adf239f8205f 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -238,7 +238,9 @@ enum dentry_flags { DCACHE_PAR_LOOKUP = BIT(24), /* being looked up (with parent locked shared) */ DCACHE_DENTRY_CURSOR = BIT(25), DCACHE_NORCU = BIT(26), /* No RCU delay for freeing */ - DCACHE_PERSISTENT = BIT(27) + DCACHE_PERSISTENT = BIT(27), +/* 28, 29, 30 free */ + DCACHE_PRIVATE = BIT(31) /* fs-specific flag */ }; #define DCACHE_MANAGED_DENTRY \ -- 2.50.0.107.gf914562f5916.dirty