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Btrfs: allow callers to specify if flushing can occur for btrfs_block_rsv_check

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If you run xfstest 224 it you will get lots of messages about not being able to
delete inodes and that they will be cleaned up next mount.  This is because
btrfs_block_rsv_check was not calling reserve_metadata_bytes with the ability to
flush, so if there was not enough space, it simply failed.  But in truncate and
evict case we could easily flush space to try and get enough space to do our
work, so make btrfs_block_rsv_check take a flush argument to pass down to
reserve_metadata_bytes.  Now xfstests 224 runs fine without all those
complaints.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
This commit is contained in:
Josef Bacik
2011-08-19 10:31:56 -04:00
parent 07127184ef
commit 482e6dc526
6 changed files with 10 additions and 10 deletions
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2
fs/btrfs/ctree.h
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@@ -2244,7 +2244,7 @@ int btrfs_block_rsv_add(struct btrfs_trans_handle *trans,
int btrfs_block_rsv_check(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv,
u64 min_reserved, int min_factor);
u64 min_reserved, int min_factor, int flush);
int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
struct btrfs_block_rsv *dst_rsv,
u64 num_bytes);