diff options
| 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 | |
| parent | 291d673e6a22d9c6834e939f66c7cfef90669021 (diff) | |
Btrfs: mount -o max_inline=size to control the maximum inline extent size
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| -rw-r--r-- | fs/btrfs/ctree.h | 1 | ||||
| -rw-r--r-- | fs/btrfs/disk-io.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/file.c | 3 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 19 |
5 files changed, 22 insertions, 3 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 127c86f795d..8f93e066bf8 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -325,6 +325,7 @@ struct btrfs_fs_info { u64 last_trans_committed; unsigned long mount_opt; u64 max_extent; + u64 max_inline; u64 alloc_start; struct btrfs_transaction *running_transaction; struct btrfs_super_block super_copy; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index e29a0716f6a..6647b90ef74 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -659,6 +659,7 @@ struct btrfs_root *open_ctree(struct super_block *sb) fs_info->throttles = 0; fs_info->mount_opt = 0; fs_info->max_extent = (u64)-1; + fs_info->max_inline = 8192 * 1024; fs_info->delalloc_bytes = 0; fs_info->btree_inode = new_inode(sb); fs_info->btree_inode->i_ino = 1; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index e81b35b0618..6999b819db6 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2451,7 +2451,6 @@ sector_t extent_bmap(struct address_space *mapping, sector_t iblock, goto out; sector = (em->block_start + start - em->start) >> inode->i_blkbits; -printk("bmap finds %Lu %Lu block %Lu\n", em->start, em->len, em->block_start); out: free_extent_map(em); return sector; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 8e210616d70..7c10a90362f 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -301,7 +301,8 @@ static int noinline dirty_and_release_pages(struct btrfs_trans_handle *trans, */ inline_size = end_pos; if (isize >= BTRFS_MAX_INLINE_DATA_SIZE(root) || - inline_size > 8192 || + inline_size > root->fs_info->max_inline || + (inline_size & (root->sectorsize -1)) == 0 || inline_size >= BTRFS_MAX_INLINE_DATA_SIZE(root)) { u64 last_end; u64 existing_delalloc = 0; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index f8a1016600b..a46300c4753 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]); |