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| author | Jeff Mahoney | 2013-11-01 18:07:04 +0100 |
|---|---|---|
| committer | Chris Mason | 2014-01-28 22:19:29 +0100 |
| commit | 6ab0a2029ceaedb78af807871820708b7353e3be (patch) | |
| tree | ec9684534264d7b6d2cc0e6137ad7c7f851b1e88 /fs/btrfs/ctree.h | |
| parent | btrfs: add ioctl to export size of global metadata reservation (diff) | |
| download | kernel-qcow2-linux-6ab0a2029ceaedb78af807871820708b7353e3be.tar.gz kernel-qcow2-linux-6ab0a2029ceaedb78af807871820708b7353e3be.tar.xz kernel-qcow2-linux-6ab0a2029ceaedb78af807871820708b7353e3be.zip | |
btrfs: publish allocation data in sysfs
While trying to debug ENOSPC issues, it's helpful to understand what the
kernel's view of the available space is. We export this information
via ioctl, but sysfs files are more easily used.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index c5c888fbf033..f608306b5d88 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1151,6 +1151,9 @@ struct btrfs_space_info { spinlock_t lock; struct rw_semaphore groups_sem; wait_queue_head_t wait; + + struct kobject kobj; + struct kobject block_group_kobjs[BTRFS_NR_RAID_TYPES]; }; #define BTRFS_BLOCK_RSV_GLOBAL 1 @@ -1526,6 +1529,7 @@ struct btrfs_fs_info { int thread_pool_size; struct kobject super_kobj; + struct kobject *space_info_kobj; struct completion kobj_unregister; int do_barriers; int closing; @@ -3178,6 +3182,7 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group( struct btrfs_fs_info *info, u64 bytenr); void btrfs_put_block_group(struct btrfs_block_group_cache *cache); +int get_block_group_index(struct btrfs_block_group_cache *cache); struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, u32 blocksize, u64 parent, u64 root_objectid, |