search for: btrfs_chunk

...------------- core/fs/btrfs/btrfs.h | 2 ++ 2 files changed, 36 insertions(+), 16 deletions(-) diff --git a/core/fs/btrfs/btrfs.c b/core/fs/btrfs/btrfs.c index 53e1105..a06607e 100644 --- a/core/fs/btrfs/btrfs.c +++ b/core/fs/btrfs/btrfs.c @@ -81,7 +81,8 @@ static int btrfs_comp_chunk_map(struct btrfs_chunk_map_item *m1, } /* insert a new chunk mapping item */ -static void insert_map(struct fs_info *fs, struct btrfs_chunk_map_item *item) +static void insert_chunk_item(struct fs_info *fs, + struct btrfs_chunk_map_item *item) { struct btrfs_info * const bfs = fs->fs_info; struct btrf...

...------------- core/fs/btrfs/btrfs.h | 2 ++ 2 files changed, 38 insertions(+), 16 deletions(-) diff --git a/core/fs/btrfs/btrfs.c b/core/fs/btrfs/btrfs.c index 53e1105..ca611db 100644 --- a/core/fs/btrfs/btrfs.c +++ b/core/fs/btrfs/btrfs.c @@ -81,7 +81,8 @@ static int btrfs_comp_chunk_map(struct btrfs_chunk_map_item *m1, } /* insert a new chunk mapping item */ -static void insert_map(struct fs_info *fs, struct btrfs_chunk_map_item *item) +static void insert_chunk_item(struct fs_info *fs, + struct btrfs_chunk_map_item *item) { struct btrfs_info * const bfs = fs->fs_info; struct btrf...

...------------- core/fs/btrfs/btrfs.h | 2 ++ 2 files changed, 35 insertions(+), 16 deletions(-) diff --git a/core/fs/btrfs/btrfs.c b/core/fs/btrfs/btrfs.c index 53e1105..58e1fe6 100644 --- a/core/fs/btrfs/btrfs.c +++ b/core/fs/btrfs/btrfs.c @@ -81,7 +81,8 @@ static int btrfs_comp_chunk_map(struct btrfs_chunk_map_item *m1, } /* insert a new chunk mapping item */ -static void insert_map(struct fs_info *fs, struct btrfs_chunk_map_item *item) +static void insert_chunk_item(struct fs_info *fs, + struct btrfs_chunk_map_item *item) { struct btrfs_info * const bfs = fs->fs_info; struct btrf...

Hi, The following patches add support for ext4 and btrfs to PV-GRUB. These patches are taken nearly verbatim from those provided by Fedora and Gentoo. We''ve been using these patches for the PV-GRUB images available in EC2 for some time now with no problems. Changes from v1: - Makefile has been changed to check the exit code from patch - The btrfs patch has been rebased to apply

..._type(&search_key, > - &path.item.key)) > + &path.item.key)) > break; > + > chunk = (struct btrfs_chunk *)(path.data); > - /* insert to mapping table, ignore stripes */ > - item.logical = path.item.key.offset; > - item.length = chunk->length; > - item.devid = chunk-&g...

...array_size; u32 cur = 0; - u32 new_cur = 0; u8 *ptr, *write_ptr; int old_num_stripes; @@ -1390,7 +1389,6 @@ static int update_super(u8 *buffer) write_ptr += sizeof(*disk_key); ptr += sizeof(*disk_key); cur += sizeof(*disk_key); - new_cur += sizeof(*disk_key); if (key.type == BTRFS_CHUNK_ITEM_KEY) { chunk = (struct btrfs_chunk *)ptr; @@ -1406,7 +1404,6 @@ static int update_super(u8 *buffer) memcpy(chunk->stripe.dev_uuid, super->dev_item.uuid, BTRFS_UUID_SIZE); new_array_size += sizeof(*chunk); - new_cur += sizeof(*chunk); } else { fprintf(stder...

Hello, This patch series adds an initial implementation of restriper (it''s a clever name for relocation framework that allows to do selective profile changing and selective balancing with some goodies like pausing/resuming and reporting progress to the user. Profile changing is global (per-FS) so far, per-subvolume profiles require some discussion and can be implemented in future.

Hi! With 3.2-rc4 (probably earlier), Ext4 seems to remember what areas it trimmed: merkaba:~> fstrim -v /boot /boot: 224657408 bytes were trimmed merkaba:~> fstrim -v /boot /boot: 0 bytes were trimmed But BTRFS does not: merkaba:~> fstrim -v / /: 4431613952 bytes were trimmed merkaba:~> fstrim -v / /: 4341846016 bytes were trimmed Is it planned to add this feature to BTRFS

The biggest one is a fix for fstrim, and there''s a fix for on-disk free space cache. Others are small fixes and cleanups. The last three have been sent weeks ago. The patchset is also available in this repo: git://repo.or.cz/linux-btrfs-devel.git for-chris Note there''s a small confict with Al Viro''s vfs changes. Li Zefan (11): Btrfs: add pinned extents to

...tree.h b/ctree.h index 702de2c..67fa650 100644 --- a/ctree.h +++ b/ctree.h @@ -28,6 +28,7 @@ struct btrfs_root; struct btrfs_trans_handle; +struct btrfs_free_space_ctl; #define BTRFS_MAGIC 0x4D5F53665248425F /* ascii _BHRfS_M, no null */ #define BTRFS_MAX_LEVEL 8 @@ -268,6 +269,15 @@ struct btrfs_chunk { /* additional stripes go here */ } __attribute__ ((__packed__)); +#define BTRFS_FREE_SPACE_EXTENT 1 +#define BTRFS_FREE_SPACE_BITMAP 2 + +struct btrfs_free_space_entry { + __le64 offset; + __le64 bytes; + u8 type; +} __attribute__ ((__packed__)); + struct btrfs_free_space_header { struct...

...rfs_mark_buffer_dirty(leaf); free_extent_buffer(leaf); diff -urp btrfs-progs-unstable/ctree.h btrfs-progs-2/ctree.h --- btrfs-progs-unstable/ctree.h 2009-01-08 08:30:09.754081530 +0800 +++ btrfs-progs-2/ctree.h 2009-05-11 17:06:21.000000000 +0800 @@ -250,6 +250,7 @@ static inline unsigned long btrfs_chunk_ #define BTRFS_FSID_SIZE 16 #define BTRFS_HEADER_FLAG_WRITTEN (1 << 0) +#define BTRFS_HEADER_FLAG_RELOC (1 << 1) /* * every tree block (leaf or node) starts with this header. @@ -387,34 +388,64 @@ struct btrfs_node { * The slots array records the index of the item or block...