aboutsummaryrefslogtreecommitdiffstats
path: root/fs/btrfs/volumes.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-05 13:21:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-05 13:21:15 -0700
commit795d580baec0d5386b83a8b557df47c20810e86b (patch)
treed0387c37562e9e27a4f43cf7ae425319cbdad359 /fs/btrfs/volumes.c
parent449cedf099b23a250e7d61982e35555ccb871182 (diff)
parent109f6aef5fc436f355ad027f4d97bd696df2049a (diff)
downloadkernel_goldelico_gta04-795d580baec0d5386b83a8b557df47c20810e86b.zip
kernel_goldelico_gta04-795d580baec0d5386b83a8b557df47c20810e86b.tar.gz
kernel_goldelico_gta04-795d580baec0d5386b83a8b557df47c20810e86b.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: add check for changed leaves in setup_leaf_for_split Btrfs: create snapshot references in same commit as snapshot Btrfs: fix small race with delalloc flushing waitqueue's Btrfs: use add_to_page_cache_lru, use __page_cache_alloc Btrfs: fix chunk allocate size calculation Btrfs: kill max_extent mount option Btrfs: fail to mount if we have problems reading the block groups Btrfs: check btrfs_get_extent return for IS_ERR() Btrfs: handle kmalloc() failure in inode lookup ioctl Btrfs: dereferencing freed memory Btrfs: Simplify num_stripes's calculation logical for __btrfs_alloc_chunk() Btrfs: Add error handle for btrfs_search_slot() in btrfs_read_chunk_tree() Btrfs: Remove unnecessary finish_wait() in wait_current_trans() Btrfs: add NULL check for do_walk_down() Btrfs: remove duplicate include in ioctl.c Fix trivial conflict in fs/btrfs/compression.c due to slab.h include cleanups.
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 1692ec9..aa7dc36 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2199,9 +2199,9 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
min_stripes = 2;
}
if (type & (BTRFS_BLOCK_GROUP_RAID1)) {
- num_stripes = min_t(u64, 2, fs_devices->rw_devices);
- if (num_stripes < 2)
+ if (fs_devices->rw_devices < 2)
return -ENOSPC;
+ num_stripes = 2;
min_stripes = 2;
}
if (type & (BTRFS_BLOCK_GROUP_RAID10)) {
@@ -2245,8 +2245,10 @@ again:
do_div(calc_size, stripe_len);
calc_size *= stripe_len;
}
+
/* we don't want tiny stripes */
- calc_size = max_t(u64, min_stripe_size, calc_size);
+ if (!looped)
+ calc_size = max_t(u64, min_stripe_size, calc_size);
do_div(calc_size, stripe_len);
calc_size *= stripe_len;
@@ -3390,6 +3392,8 @@ int btrfs_read_chunk_tree(struct btrfs_root *root)
key.type = 0;
again:
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+ if (ret < 0)
+ goto error;
while (1) {
leaf = path->nodes[0];
slot = path->slots[0];