xfs_rtfind_back(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t start, /* starting block to look at */
- xfs_rtblock_t limit, /* last block to look at */
- xfs_rtblock_t *rtblock) /* out: start block found */
+ xfs_rtxnum_t start, /* starting rtext to look at */
+ xfs_rtxnum_t limit, /* last rtext to look at */
+ xfs_rtxnum_t *rtx) /* out: start rtext found */
{
xfs_rtword_t *b; /* current word in buffer */
int bit; /* bit number in the word */
struct xfs_buf *bp; /* buf for the block */
xfs_rtword_t *bufp; /* starting word in buffer */
int error; /* error value */
- xfs_rtblock_t firstbit; /* first useful bit in the word */
- xfs_rtblock_t i; /* current bit number rel. to start */
- xfs_rtblock_t len; /* length of inspected area */
+ xfs_rtxnum_t firstbit; /* first useful bit in the word */
+ xfs_rtxnum_t i; /* current bit number rel. to start */
+ xfs_rtxnum_t len; /* length of inspected area */
xfs_rtword_t mask; /* mask of relevant bits for value */
xfs_rtword_t want; /* mask for "good" values */
xfs_rtword_t wdiff; /* difference from wanted value */
*/
xfs_trans_brelse(tp, bp);
i = bit - XFS_RTHIBIT(wdiff);
- *rtblock = start - i + 1;
+ *rtx = start - i + 1;
return 0;
}
i = bit - firstbit + 1;
*/
xfs_trans_brelse(tp, bp);
i += XFS_NBWORD - 1 - XFS_RTHIBIT(wdiff);
- *rtblock = start - i + 1;
+ *rtx = start - i + 1;
return 0;
}
i += XFS_NBWORD;
*/
xfs_trans_brelse(tp, bp);
i += XFS_NBWORD - 1 - XFS_RTHIBIT(wdiff);
- *rtblock = start - i + 1;
+ *rtx = start - i + 1;
return 0;
} else
i = len;
* No match, return that we scanned the whole area.
*/
xfs_trans_brelse(tp, bp);
- *rtblock = start - i + 1;
+ *rtx = start - i + 1;
return 0;
}
xfs_rtfind_forw(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t start, /* starting block to look at */
- xfs_rtblock_t limit, /* last block to look at */
- xfs_rtblock_t *rtblock) /* out: start block found */
+ xfs_rtxnum_t start, /* starting rtext to look at */
+ xfs_rtxnum_t limit, /* last rtext to look at */
+ xfs_rtxnum_t *rtx) /* out: start rtext found */
{
xfs_rtword_t *b; /* current word in buffer */
int bit; /* bit number in the word */
struct xfs_buf *bp; /* buf for the block */
xfs_rtword_t *bufp; /* starting word in buffer */
int error; /* error value */
- xfs_rtblock_t i; /* current bit number rel. to start */
- xfs_rtblock_t lastbit; /* last useful bit in the word */
- xfs_rtblock_t len; /* length of inspected area */
+ xfs_rtxnum_t i; /* current bit number rel. to start */
+ xfs_rtxnum_t lastbit; /* last useful bit in the word */
+ xfs_rtxnum_t len; /* length of inspected area */
xfs_rtword_t mask; /* mask of relevant bits for value */
xfs_rtword_t want; /* mask for "good" values */
xfs_rtword_t wdiff; /* difference from wanted value */
*/
xfs_trans_brelse(tp, bp);
i = XFS_RTLOBIT(wdiff) - bit;
- *rtblock = start + i - 1;
+ *rtx = start + i - 1;
return 0;
}
i = lastbit - bit;
*/
xfs_trans_brelse(tp, bp);
i += XFS_RTLOBIT(wdiff);
- *rtblock = start + i - 1;
+ *rtx = start + i - 1;
return 0;
}
i += XFS_NBWORD;
*/
xfs_trans_brelse(tp, bp);
i += XFS_RTLOBIT(wdiff);
- *rtblock = start + i - 1;
+ *rtx = start + i - 1;
return 0;
} else
i = len;
* No match, return that we scanned the whole area.
*/
xfs_trans_brelse(tp, bp);
- *rtblock = start + i - 1;
+ *rtx = start + i - 1;
return 0;
}
xfs_rtmodify_range(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t start, /* starting block to modify */
+ xfs_rtxnum_t start, /* starting rtext to modify */
xfs_rtxlen_t len, /* length of extent to modify */
int val) /* 1 for free, 0 for allocated */
{
xfs_rtfree_range(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t start, /* starting block to free */
+ xfs_rtxnum_t start, /* starting rtext to free */
xfs_rtxlen_t len, /* length to free */
struct xfs_buf **rbpp, /* in/out: summary block buffer */
xfs_fileoff_t *rsb) /* in/out: summary block number */
{
- xfs_rtblock_t end; /* end of the freed extent */
+ xfs_rtxnum_t end; /* end of the freed extent */
int error; /* error value */
- xfs_rtblock_t postblock; /* first block freed > end */
- xfs_rtblock_t preblock; /* first block freed < start */
+ xfs_rtxnum_t postblock; /* first rtext freed > end */
+ xfs_rtxnum_t preblock; /* first rtext freed < start */
end = start + len - 1;
/*
xfs_rtcheck_range(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t start, /* starting block number of extent */
+ xfs_rtxnum_t start, /* starting rtext number of extent */
xfs_rtxlen_t len, /* length of extent */
int val, /* 1 for free, 0 for allocated */
- xfs_rtblock_t *new, /* out: first block not matching */
+ xfs_rtxnum_t *new, /* out: first rtext not matching */
int *stat) /* out: 1 for matches, 0 for not */
{
xfs_rtword_t *b; /* current word in buffer */
struct xfs_buf *bp; /* buf for the block */
xfs_rtword_t *bufp; /* starting word in buffer */
int error; /* error value */
- xfs_rtblock_t i; /* current bit number rel. to start */
- xfs_rtblock_t lastbit; /* last useful bit in word */
+ xfs_rtxnum_t i; /* current bit number rel. to start */
+ xfs_rtxnum_t lastbit; /* last useful bit in word */
xfs_rtword_t mask; /* mask of relevant bits for value */
xfs_rtword_t wdiff; /* difference from wanted value */
int word; /* word number in the buffer */
xfs_rtcheck_alloc_range(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t bno, /* starting block number of extent */
+ xfs_rtxnum_t start, /* starting rtext number of extent */
xfs_rtxlen_t len) /* length of extent */
{
- xfs_rtblock_t new; /* dummy for xfs_rtcheck_range */
+ xfs_rtxnum_t new; /* dummy for xfs_rtcheck_range */
int stat;
int error;
- error = xfs_rtcheck_range(mp, tp, bno, len, 0, &new, &stat);
+ error = xfs_rtcheck_range(mp, tp, start, len, 0, &new, &stat);
if (error)
return error;
ASSERT(stat);
int /* error */
xfs_rtfree_extent(
xfs_trans_t *tp, /* transaction pointer */
- xfs_rtblock_t bno, /* starting block number to free */
+ xfs_rtxnum_t start, /* starting rtext number to free */
xfs_rtxlen_t len) /* length of extent freed */
{
int error; /* error value */
ASSERT(mp->m_rbmip->i_itemp != NULL);
ASSERT(xfs_isilocked(mp->m_rbmip, XFS_ILOCK_EXCL));
- error = xfs_rtcheck_alloc_range(mp, tp, bno, len);
+ error = xfs_rtcheck_alloc_range(mp, tp, start, len);
if (error)
return error;
/*
* Free the range of realtime blocks.
*/
- error = xfs_rtfree_range(mp, tp, bno, len, &sumbp, &sb);
+ error = xfs_rtfree_range(mp, tp, start, len, &sumbp, &sb);
if (error) {
return error;
}
xfs_filblks_t rtlen)
{
struct xfs_mount *mp = tp->t_mountp;
- xfs_rtblock_t bno;
+ xfs_rtxnum_t start;
xfs_filblks_t len;
xfs_extlen_t mod;
return -EIO;
}
- bno = div_u64_rem(rtbno, mp->m_sb.sb_rextsize, &mod);
+ start = div_u64_rem(rtbno, mp->m_sb.sb_rextsize, &mod);
if (mod) {
ASSERT(mod == 0);
return -EIO;
}
- return xfs_rtfree_extent(tp, bno, len);
+ return xfs_rtfree_extent(tp, start, len);
}
/* Find all the free records within a given range. */
void *priv)
{
struct xfs_rtalloc_rec rec;
- xfs_rtblock_t rtstart;
- xfs_rtblock_t rtend;
- xfs_rtblock_t high_key;
+ xfs_rtxnum_t rtstart;
+ xfs_rtxnum_t rtend;
+ xfs_rtxnum_t high_key;
int is_free;
int error = 0;
xfs_rtalloc_extent_is_free(
struct xfs_mount *mp,
struct xfs_trans *tp,
- xfs_rtblock_t start,
+ xfs_rtxnum_t start,
xfs_rtxlen_t len,
bool *is_free)
{
- xfs_rtblock_t end;
+ xfs_rtxnum_t end;
int matches;
int error;
#define __XFS_RTBITMAP_H__
/*
- * XXX: Most of the realtime allocation functions deal in units of realtime
- * extents, not realtime blocks. This looks funny when paired with the type
- * name and screams for a larger cleanup.
+ * Functions for walking free space rtextents in the realtime bitmap.
*/
struct xfs_rtalloc_rec {
- xfs_rtblock_t ar_startext;
+ xfs_rtxnum_t ar_startext;
xfs_rtbxlen_t ar_extcount;
};
int xfs_rtbuf_get(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_fileoff_t block, int issum, struct xfs_buf **bpp);
int xfs_rtcheck_range(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtblock_t start, xfs_rtxlen_t len, int val,
- xfs_rtblock_t *new, int *stat);
+ xfs_rtxnum_t start, xfs_rtxlen_t len, int val,
+ xfs_rtxnum_t *new, int *stat);
int xfs_rtfind_back(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtblock_t start, xfs_rtblock_t limit,
- xfs_rtblock_t *rtblock);
+ xfs_rtxnum_t start, xfs_rtxnum_t limit,
+ xfs_rtxnum_t *rtblock);
int xfs_rtfind_forw(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtblock_t start, xfs_rtblock_t limit,
- xfs_rtblock_t *rtblock);
+ xfs_rtxnum_t start, xfs_rtxnum_t limit,
+ xfs_rtxnum_t *rtblock);
int xfs_rtmodify_range(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtblock_t start, xfs_rtxlen_t len, int val);
+ xfs_rtxnum_t start, xfs_rtxlen_t len, int val);
int xfs_rtmodify_summary_int(struct xfs_mount *mp, struct xfs_trans *tp,
int log, xfs_fileoff_t bbno, int delta,
struct xfs_buf **rbpp, xfs_fileoff_t *rsb,
xfs_fileoff_t bbno, int delta, struct xfs_buf **rbpp,
xfs_fileoff_t *rsb);
int xfs_rtfree_range(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtblock_t start, xfs_rtxlen_t len,
+ xfs_rtxnum_t start, xfs_rtxlen_t len,
struct xfs_buf **rbpp, xfs_fileoff_t *rsb);
int xfs_rtalloc_query_range(struct xfs_mount *mp, struct xfs_trans *tp,
const struct xfs_rtalloc_rec *low_rec,
xfs_rtalloc_query_range_fn fn,
void *priv);
int xfs_rtalloc_extent_is_free(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtblock_t start, xfs_rtxlen_t len,
+ xfs_rtxnum_t start, xfs_rtxlen_t len,
bool *is_free);
/*
* Free an extent in the realtime subvolume. Length is expressed in
int /* error */
xfs_rtfree_extent(
struct xfs_trans *tp, /* transaction pointer */
- xfs_rtblock_t bno, /* starting block number to free */
+ xfs_rtxnum_t start, /* starting rtext number to free */
xfs_rtxlen_t len); /* length of extent freed */
/* Same as above, but in units of rt blocks. */