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| author | Chris Mason <chris.mason@oracle.com> | 2008-01-29 16:03:38 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:00 -0400 |
| commit | 6f568d35a045dbb8a13fe71bfc32e85e39a986cb (patch) | |
| tree | df5cb5826dfb46a2514bfba34f8473dc65ea7081 /fs/btrfs/super.c | |
| parent | 291d673e6a22d9c6834e939f66c7cfef90669021 (diff) | |
| download | blackbird-op-linux-6f568d35a045dbb8a13fe71bfc32e85e39a986cb.tar.gz blackbird-op-linux-6f568d35a045dbb8a13fe71bfc32e85e39a986cb.zip | |
Btrfs: mount -o max_inline=size to control the maximum inline extent size
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index f8a1016600b1..a46300c4753a 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -64,7 +64,7 @@ static void btrfs_put_super (struct super_block * sb) enum { Opt_subvol, Opt_nodatasum, Opt_nodatacow, Opt_max_extent, - Opt_alloc_start, Opt_nobarrier, Opt_ssd, Opt_err, + Opt_max_inline, Opt_alloc_start, Opt_nobarrier, Opt_ssd, Opt_err, }; static match_table_t tokens = { @@ -73,6 +73,7 @@ static match_table_t tokens = { {Opt_nodatacow, "nodatacow"}, {Opt_nobarrier, "nobarrier"}, {Opt_max_extent, "max_extent=%s"}, + {Opt_max_inline, "max_inline=%s"}, {Opt_alloc_start, "alloc_start=%s"}, {Opt_ssd, "ssd"}, {Opt_err, NULL} @@ -178,6 +179,22 @@ static int parse_options (char * options, } } break; + case Opt_max_inline: + if (info) { + char *num = match_strdup(&args[0]); + if (num) { + info->max_inline = + btrfs_parse_size(num); + kfree(num); + + info->max_inline = max_t(u64, + info->max_inline, + root->sectorsize); + printk("btrfs: max_inline at %Lu\n", + info->max_inline); + } + } + break; case Opt_alloc_start: if (info) { char *num = match_strdup(&args[0]); |
