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Btrfs: collect only the necessary ordered extents on ranged fsync

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Instead of collecting all ordered extents from the inode's ordered tree
and then wait for all of them to complete, just collect the ones that
overlap the fsync range.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Filipe Manana
2014-11-13 17:00:35 +00:00
committed by Chris Mason
parent 5ab5e44a36
commit 0870295b23
3 changed files with 17 additions and 5 deletions
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fs/btrfs/tree-log.c
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@@ -3972,7 +3972,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
mutex_lock(&BTRFS_I(inode)->log_mutex);
btrfs_get_logged_extents(inode, &logged_list);
btrfs_get_logged_extents(inode, &logged_list, start, end);
/*
* a brute force approach to making sure we get the most uptodate