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a1ba4c080b
We have several places that need to drop all the extent maps in a given file range and then add a new extent map for that range. Currently they call btrfs_drop_extent_map_range() to delete all extent maps in the range and then keep trying to add the new extent map in a loop that keeps retrying while the insertion of the new extent map fails with -EEXIST. So instead of repeating this logic, add a helper to extent_map.c that does these steps and name it btrfs_replace_extent_map_range(). Also add a comment about why the retry loop is necessary. Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
4497 lines
113 KiB
4497 lines
113 KiB