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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-16 02:06:37 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-16 02:06:37 +0400 |
| commit | dcbeb0bec5f2695c3ff53f174efb8e03c209f3f3 (patch) | |
| tree | 30d223a3a3c7470c657284ef030657bd1753d4d3 /fs/btrfs/super.c | |
| parent | 2b650df2cea96e487f2fd9ecaa68e533ea9b5ed7 (diff) | |
| parent | 444528b3e614f7f2391488d9bca8e0b872db909b (diff) | |
| download | linux-dcbeb0bec5f2695c3ff53f174efb8e03c209f3f3.tar.xz | |
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.c | 9 |
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 |