btrfs: divide btrfs_update_reserved_bytes() into two functions

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This patch divides btrfs_update_reserved_bytes() into
btrfs_add_reserved_bytes() and btrfs_free_reserved_bytes(), and
next patch will extend btrfs_add_reserved_bytes（）to fix some
false ENOSPC error, please see later patch for detailed info.

Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>

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Wang Xiaoguang 2016-07-25 15:51:39 +08:00 • committed by Chris Mason

parent dcb40c196f

commit 4824f1f412

1 changed files with 57 additions and 40 deletions

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fs/btrfs/extent-tree.c

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