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Add support for defragging files via btrfsctl -d. Avoid OOM on extent tree

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defrag.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-09-10 19:58:16 -04:00 • committed by David Woodhouse
commit 86479a04ee
5 changed files with 100 additions and 18 deletions
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2
fs/btrfs/disk-io.h
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@ -26,9 +26,11 @@
enum btrfs_bh_state_bits {
BH_Checked = BH_PrivateStart,
BH_Defrag,
BH_DefragDone,
};
BUFFER_FNS(Checked, checked);
BUFFER_FNS(Defrag, defrag);
BUFFER_FNS(DefragDone, defrag_done);
static inline struct btrfs_node *btrfs_buffer_node(struct buffer_head *bh)
{