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-rw-r--r--fs/btrfs/super.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 28e3cb2607ff..3559d0b3518a 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -160,7 +160,8 @@ enum {
Opt_compress_type, Opt_compress_force, Opt_compress_force_type,
Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_discard,
Opt_space_cache, Opt_clear_cache, Opt_user_subvol_rm_allowed,
- Opt_enospc_debug, Opt_subvolrootid, Opt_defrag, Opt_err,
+ Opt_enospc_debug, Opt_subvolrootid, Opt_defrag,
+ Opt_inode_cache, Opt_err,
};
static match_table_t tokens = {
@@ -192,6 +193,7 @@ static match_table_t tokens = {
{Opt_enospc_debug, "enospc_debug"},
{Opt_subvolrootid, "subvolrootid=%d"},
{Opt_defrag, "autodefrag"},
+ {Opt_inode_cache, "inode_cache"},
{Opt_err, NULL},
};
@@ -360,6 +362,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
printk(KERN_INFO "btrfs: enabling disk space caching\n");
btrfs_set_opt(info->mount_opt, SPACE_CACHE);
break;
+ case Opt_inode_cache:
+ printk(KERN_INFO "btrfs: enabling inode map caching\n");
+ btrfs_set_opt(info->mount_opt, INODE_MAP_CACHE);
+ break;
case Opt_clear_cache:
printk(KERN_INFO "btrfs: force clearing of disk cache\n");
btrfs_set_opt(info->mount_opt, CLEAR_CACHE);
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