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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-15 15:06:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-15 15:06:37 -0700
commitdcbeb0bec5f2695c3ff53f174efb8e03c209f3f3 (patch)
tree30d223a3a3c7470c657284ef030657bd1753d4d3 /fs/btrfs/super.c
parent2b650df2cea96e487f2fd9ecaa68e533ea9b5ed7 (diff)
parent444528b3e614f7f2391488d9bca8e0b872db909b (diff)
downloadlinux-dcbeb0bec5f2695c3ff53f174efb8e03c209f3f3.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: always pin metadata in discard mode Btrfs: enable discard support Btrfs: add -o discard option Btrfs: properly wait log writers during log sync Btrfs: fix possible ENOSPC problems with truncate Btrfs: fix btrfs acl #ifdef checks Btrfs: streamline tree-log btree block writeout Btrfs: avoid tree log commit when there are no changes Btrfs: only write one super copy during fsync
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 9de9b2236419..752a5463bf53 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -66,7 +66,8 @@ enum {
Opt_degraded, Opt_subvol, Opt_device, Opt_nodatasum, Opt_nodatacow,
Opt_max_extent, Opt_max_inline, Opt_alloc_start, Opt_nobarrier,
Opt_ssd, Opt_nossd, Opt_ssd_spread, Opt_thread_pool, Opt_noacl,
- Opt_compress, Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_err,
+ Opt_compress, Opt_notreelog, Opt_ratio, Opt_flushoncommit,
+ Opt_discard, Opt_err,
};
static match_table_t tokens = {
@@ -88,6 +89,7 @@ static match_table_t tokens = {
{Opt_notreelog, "notreelog"},
{Opt_flushoncommit, "flushoncommit"},
{Opt_ratio, "metadata_ratio=%d"},
+ {Opt_discard, "discard"},
{Opt_err, NULL},
};
@@ -257,6 +259,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
info->metadata_ratio);
}
break;
+ case Opt_discard:
+ btrfs_set_opt(info->mount_opt, DISCARD);
+ break;
default:
break;
}
@@ -344,7 +349,7 @@ static int btrfs_fill_super(struct super_block *sb,
sb->s_export_op = &btrfs_export_ops;
sb->s_xattr = btrfs_xattr_handlers;
sb->s_time_gran = 1;
-#ifdef CONFIG_BTRFS_POSIX_ACL
+#ifdef CONFIG_BTRFS_FS_POSIX_ACL
sb->s_flags |= MS_POSIXACL;
#endif