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Btrfs: Add 1MB to the min_free in alloc_chunk

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This properly reflects the first 1MB we skip at the start of the device

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-04-21 08:28:10 -04:00
parent 4575c9ccee
commit ad5bd91ece
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/volumes.c
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@ -746,6 +746,9 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
else
min_free = calc_size;
/* we add 1MB because we never use the first 1MB of the device */
min_free += 1024 * 1024;
/* build a private list of devices we will allocate from */
while(index < num_stripes) {
device = list_entry(cur, struct btrfs_device, dev_list);