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由 Liu Bo 提交于
While running generic/019, dmesg got several warnings from btrfs_free_reserved_data_space(). Test generic/019 produces some disk failures so sumbit dio will get errors, in which case, btrfs_direct_IO() goes to the error handling and free bytes_may_use, but the problem is that bytes_may_use has been free'd during get_block(). This adds a runtime flag to show if we've gone through get_block(), if so, don't do the cleanup work. Signed-off-by: NLiu Bo <bo.li.liu@oracle.com> Reviewed-by: NFilipe Manana <fdmanana@suse.com> Tested-by: NFilipe Manana <fdmanana@suse.com> Signed-off-by: NChris Mason <clm@fb.com>
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