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authorBoris Burkov <[email protected]>2020-11-18 23:06:24 +0000
committerDavid Sterba <[email protected]>2020-12-09 18:16:08 +0000
commit2838d255cb9b85a845efc3bbd3f6fc66ed883d35 (patch)
treede08745f4a5d99f73ab1dccb5db4d7f925a1ae14 /fs/btrfs/dev-replace.c
parentbtrfs: use superblock state to print space_cache mount option (diff)
downloadkernel-2838d255cb9b85a845efc3bbd3f6fc66ed883d35.tar.gz
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btrfs: warn when remount will not change the free space tree
If the remount is ro->ro, rw->ro, or rw->rw, we will not create or clear the free space tree. This can be surprising, so print a warning to dmesg to make the failure more visible. It is also important to ensure that the space cache options (SPACE_CACHE, FREE_SPACE_TREE) are consistent, so ensure those are set to properly match the current on disk state (which won't be changing). Reviewed-by: Josef Bacik <[email protected]> Signed-off-by: Boris Burkov <[email protected]> Reviewed-by: David Sterba <[email protected]> Signed-off-by: David Sterba <[email protected]>
Diffstat (limited to 'fs/btrfs/dev-replace.c')
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