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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-13 16:30:29 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-13 16:30:29 -0800 |
commit | e75cdf9898132f521df98a3ce1c280a2f85d360a (patch) | |
tree | 4f6a24cf7ab56b962cc8bead17895521b5985dc6 /fs/btrfs/volumes.c | |
parent | ca4ba96e02e932a0c9997a40fd51253b5b2d0f9d (diff) | |
parent | d5f2e33b92b10b8007be50b570a27e9bacfb4c3a (diff) | |
download | op-kernel-dev-e75cdf9898132f521df98a3ce1c280a2f85d360a.zip op-kernel-dev-e75cdf9898132f521df98a3ce1c280a2f85d360a.tar.gz |
Merge branch 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes and cleanups from Chris Mason:
"Some of this got cherry-picked from a github repo this week, but I
verified the patches.
We have three small scrub cleanups and a collection of fixes"
* 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: Use fs_info directly in btrfs_delete_unused_bgs
btrfs: Fix lost-data-profile caused by balance bg
btrfs: Fix lost-data-profile caused by auto removing bg
btrfs: Remove len argument from scrub_find_csum
btrfs: Reduce unnecessary arguments in scrub_recheck_block
btrfs: Use scrub_checksum_data and scrub_checksum_tree_block for scrub_recheck_block_checksum
btrfs: Reset sblock->xxx_error stats before calling scrub_recheck_block_checksum
btrfs: scrub: setup all fields for sblock_to_check
btrfs: scrub: set error stats when tree block spanning stripes
Btrfs: fix race when listing an inode's xattrs
Btrfs: fix race leading to BUG_ON when running delalloc for nodatacow
Btrfs: fix race leading to incorrect item deletion when dropping extents
Btrfs: fix sleeping inside atomic context in qgroup rescan worker
Btrfs: fix race waiting for qgroup rescan worker
btrfs: qgroup: exit the rescan worker during umount
Btrfs: fix extent accounting for partial direct IO writes
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r-- | fs/btrfs/volumes.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 9b2dafa..a6df8fd 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -3400,6 +3400,7 @@ static int __btrfs_balance(struct btrfs_fs_info *fs_info) u32 count_data = 0; u32 count_meta = 0; u32 count_sys = 0; + int chunk_reserved = 0; /* step one make some room on all the devices */ devices = &fs_info->fs_devices->devices; @@ -3501,6 +3502,7 @@ again: ret = should_balance_chunk(chunk_root, leaf, chunk, found_key.offset); + btrfs_release_path(path); if (!ret) { mutex_unlock(&fs_info->delete_unused_bgs_mutex); @@ -3537,6 +3539,25 @@ again: goto loop; } + if ((chunk_type & BTRFS_BLOCK_GROUP_DATA) && !chunk_reserved) { + trans = btrfs_start_transaction(chunk_root, 0); + if (IS_ERR(trans)) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); + ret = PTR_ERR(trans); + goto error; + } + + ret = btrfs_force_chunk_alloc(trans, chunk_root, + BTRFS_BLOCK_GROUP_DATA); + if (ret < 0) { + mutex_unlock(&fs_info->delete_unused_bgs_mutex); + goto error; + } + + btrfs_end_transaction(trans, chunk_root); + chunk_reserved = 1; + } + ret = btrfs_relocate_chunk(chunk_root, found_key.offset); mutex_unlock(&fs_info->delete_unused_bgs_mutex); |