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xfs: convert rt bitmap extent lengths to xfs_rtbxlen_t
XFS uses xfs_rtblock_t for many different uses, which makes it much more difficult to perform a unit analysis on the codebase. One of these (ab)uses is when we need to store the length of a free space extent as stored in the realtime bitmap. Because there can be up to 2^64 realtime extents in a filesystem, we need a new type that is larger than xfs_rtxlen_t for callers that are querying the bitmap directly. This means scrub and growfs. Create this type as "xfs_rtbxlen_t" and use it to store 64-bit rtx lengths. 'b' stands for 'bitmap' or 'big'; reader's choice. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
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03f4de332e
commit
f29c3e745d
4 changed files with 5 additions and 3 deletions
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@ -98,7 +98,7 @@ typedef struct xfs_sb {
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uint32_t sb_blocksize; /* logical block size, bytes */
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xfs_rfsblock_t sb_dblocks; /* number of data blocks */
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xfs_rfsblock_t sb_rblocks; /* number of realtime blocks */
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xfs_rtblock_t sb_rextents; /* number of realtime extents */
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xfs_rtbxlen_t sb_rextents; /* number of realtime extents */
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uuid_t sb_uuid; /* user-visible file system unique id */
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xfs_fsblock_t sb_logstart; /* starting block of log if internal */
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xfs_ino_t sb_rootino; /* root inode number */
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@ -13,7 +13,7 @@
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*/
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struct xfs_rtalloc_rec {
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xfs_rtblock_t ar_startext;
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xfs_rtblock_t ar_extcount;
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xfs_rtbxlen_t ar_extcount;
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};
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typedef int (*xfs_rtalloc_query_range_fn)(
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@ -32,6 +32,7 @@ typedef uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */
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typedef uint64_t xfs_rtblock_t; /* extent (block) in realtime area */
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typedef uint64_t xfs_fileoff_t; /* block number in a file */
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typedef uint64_t xfs_filblks_t; /* number of blocks in a file */
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typedef uint64_t xfs_rtbxlen_t; /* rtbitmap extent length in rtextents */
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typedef int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
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@ -1037,7 +1037,8 @@ TRACE_EVENT(xfarray_sort_stats,
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#ifdef CONFIG_XFS_RT
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TRACE_EVENT(xchk_rtsum_record_free,
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TP_PROTO(struct xfs_mount *mp, xfs_rtblock_t start,
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uint64_t len, unsigned int log, loff_t pos, xfs_suminfo_t v),
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xfs_rtbxlen_t len, unsigned int log, loff_t pos,
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xfs_suminfo_t v),
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TP_ARGS(mp, start, len, log, pos, v),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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