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btrfs-progs: ioctl.h: copy commented version of scrub_progress structure 

Copied from uapi/linux/btrfs.h, no-op change.

Signed-off-by: David Sterba <dsterba@suse.cz>
master
David Sterba 2015-06-03 16:37:50 +02:00
parent 9a6eb1f5ea
commit ddd8003d94
1 changed files with 34 additions and 16 deletions
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50
ioctl.h
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@ -84,23 +84,41 @@ struct btrfs_ioctl_vol_args_v2 {
char name[BTRFS_SUBVOL_NAME_MAX + 1];
};
/*
* structure to report errors and progress to userspace, either as a
* result of a finished scrub, a canceled scrub or a progress inquiry
*/
struct btrfs_scrub_progress {
__u64 data_extents_scrubbed;
__u64 tree_extents_scrubbed;
__u64 data_bytes_scrubbed;
__u64 tree_bytes_scrubbed;
__u64 read_errors;
__u64 csum_errors;
__u64 verify_errors;
__u64 no_csum;
__u64 csum_discards;
__u64 super_errors;
__u64 malloc_errors;
__u64 uncorrectable_errors;
__u64 corrected_errors;
__u64 last_physical;
__u64 unverified_errors;
__u64 data_extents_scrubbed; /* # of data extents scrubbed */
__u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
__u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
__u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */
__u64 read_errors; /* # of read errors encountered (EIO) */
__u64 csum_errors; /* # of failed csum checks */
__u64 verify_errors; /* # of occurences, where the metadata
* of a tree block did not match the
* expected values, like generation or
* logical */
__u64 no_csum; /* # of 4k data block for which no csum
* is present, probably the result of
* data written with nodatasum */
__u64 csum_discards; /* # of csum for which no data was found
* in the extent tree. */
__u64 super_errors; /* # of bad super blocks encountered */
__u64 malloc_errors; /* # of internal kmalloc errors. These
* will likely cause an incomplete
* scrub */
__u64 uncorrectable_errors; /* # of errors where either no intact
* copy was found or the writeback
* failed */
__u64 corrected_errors; /* # of errors corrected */
__u64 last_physical; /* last physical address scrubbed. In
* case a scrub was aborted, this can
* be used to restart the scrub */
__u64 unverified_errors; /* # of occurences where a read for a
* full (64k) bio failed, but the re-
* check succeeded for each 4k piece.
* Intermittent error. */
};
#define BTRFS_SCRUB_READONLY 1