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/linux/fs/btrfs/ |
H A D | super.c | diff 4027e0f4c4b2df28d564560a3c65c179bebae4c8 Mon Jun 30 04:51:25 CEST 2014 Wang Shilong <wangsl.fnst@cn.fujitsu.com> Btrfs: clear compress-force when remounting with compress option
Steps to reproduce: # mkfs.btrfs -f /dev/sdb # mount /dev/sdb /mnt -o compress-force=lzo # mount /dev/sdb /mnt -o remount,compress=zlib # cat /proc/mounts
Remounting from compress-force to compress could not clear compress-force option. The problem is there is no way for users to clear compress-force option separately.
Fix this problem by clearing @FORCE_COMPRESS flag when remounting to compress=xxx.
Suggested-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz> Reviewed-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Tested-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
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