* Keeps track of a current summary block, so we don't keep reading
* it from the buffer cache.
*/
-STATIC int /* error */
+static int
xfs_rtget_summary(
xfs_mount_t *mp, /* file system mount structure */
xfs_trans_t *tp, /* transaction pointer */
xfs_fsblock_t *rsb, /* in/out: summary block number */
xfs_suminfo_t *sum) /* out: summary info for this block */
{
- xfs_buf_t *bp; /* buffer for summary block */
- int error; /* error value */
- xfs_fsblock_t sb; /* summary fsblock */
- int so; /* index into the summary file */
- xfs_suminfo_t *sp; /* pointer to returned data */
-
- /*
- * Compute entry number in the summary file.
- */
- so = XFS_SUMOFFS(mp, log, bbno);
- /*
- * Compute the block number in the summary file.
- */
- sb = XFS_SUMOFFSTOBLOCK(mp, so);
- /*
- * If we have an old buffer, and the block number matches, use that.
- */
- if (rbpp && *rbpp && *rsb == sb)
- bp = *rbpp;
- /*
- * Otherwise we have to get the buffer.
- */
- else {
- /*
- * If there was an old one, get rid of it first.
- */
- if (rbpp && *rbpp)
- xfs_trans_brelse(tp, *rbpp);
- error = xfs_rtbuf_get(mp, tp, sb, 1, &bp);
- if (error) {
- return error;
- }
- /*
- * Remember this buffer and block for the next call.
- */
- if (rbpp) {
- *rbpp = bp;
- *rsb = sb;
- }
- }
- /*
- * Point to the summary information & copy it out.
- */
- sp = XFS_SUMPTR(mp, bp, so);
- *sum = *sp;
- /*
- * Drop the buffer if we're not asked to remember it.
- */
- if (!rbpp)
- xfs_trans_brelse(tp, bp);
- return 0;
+ return xfs_rtmodify_summary_int(mp, tp, log, bbno, 0, rbpp, rsb, sum);
}
-
/*
* Return whether there are any free extents in the size range given
* by low and high, for the bitmap block bbno.
XFS_BMAPI_METADATA, &firstblock,
resblks, &map, &nmap, &flist);
if (!error && nmap < 1)
- error = XFS_ERROR(ENOSPC);
+ error = -ENOSPC;
if (error)
goto error_cancel;
/*
bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, d,
mp->m_bsize, 0);
if (bp == NULL) {
- error = XFS_ERROR(EIO);
+ error = -EIO;
error_cancel:
xfs_trans_cancel(tp, cancelflags);
goto error;
xfs_buf_t *bp; /* temporary buffer */
int error; /* error return value */
xfs_mount_t *nmp; /* new (fake) mount structure */
- xfs_drfsbno_t nrblocks; /* new number of realtime blocks */
+ xfs_rfsblock_t nrblocks; /* new number of realtime blocks */
xfs_extlen_t nrbmblocks; /* new number of rt bitmap blocks */
- xfs_drtbno_t nrextents; /* new number of realtime extents */
+ xfs_rtblock_t nrextents; /* new number of realtime extents */
uint8_t nrextslog; /* new log2 of sb_rextents */
xfs_extlen_t nrsumblocks; /* new number of summary blocks */
uint nrsumlevels; /* new rt summary levels */
* Initial error checking.
*/
if (!capable(CAP_SYS_ADMIN))
- return XFS_ERROR(EPERM);
+ return -EPERM;
if (mp->m_rtdev_targp == NULL || mp->m_rbmip == NULL ||
(nrblocks = in->newblocks) <= sbp->sb_rblocks ||
(sbp->sb_rblocks && (in->extsize != sbp->sb_rextsize)))
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
if ((error = xfs_sb_validate_fsb_count(sbp, nrblocks)))
return error;
/*
* Read in the last block of the device, make sure it exists.
*/
- bp = xfs_buf_read_uncached(mp->m_rtdev_targp,
+ error = xfs_buf_read_uncached(mp->m_rtdev_targp,
XFS_FSB_TO_BB(mp, nrblocks - 1),
- XFS_FSB_TO_BB(mp, 1), 0, NULL);
- if (!bp)
- return EIO;
- if (bp->b_error) {
- error = bp->b_error;
- xfs_buf_relse(bp);
+ XFS_FSB_TO_BB(mp, 1), 0, &bp, NULL);
+ if (error)
return error;
- }
xfs_buf_relse(bp);
/*
* since we'll log basically the whole summary file at once.
*/
if (nrsumblocks > (mp->m_sb.sb_logblocks >> 1))
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
/*
* Get the old block counts for bitmap and summary inodes.
* These can't change since other growfs callers are locked out.
len, &sumbp, &sb, prod, &r);
break;
default:
- error = EIO;
+ error = -EIO;
ASSERT(0);
}
if (error)
*/
int /* error */
xfs_rtmount_init(
- xfs_mount_t *mp) /* file system mount structure */
+ struct xfs_mount *mp) /* file system mount structure */
{
- xfs_buf_t *bp; /* buffer for last block of subvolume */
- xfs_daddr_t d; /* address of last block of subvolume */
- xfs_sb_t *sbp; /* filesystem superblock copy in mount */
+ struct xfs_buf *bp; /* buffer for last block of subvolume */
+ struct xfs_sb *sbp; /* filesystem superblock copy in mount */
+ xfs_daddr_t d; /* address of last block of subvolume */
+ int error;
sbp = &mp->m_sb;
if (sbp->sb_rblocks == 0)
if (mp->m_rtdev_targp == NULL) {
xfs_warn(mp,
"Filesystem has a realtime volume, use rtdev=device option");
- return XFS_ERROR(ENODEV);
+ return -ENODEV;
}
mp->m_rsumlevels = sbp->sb_rextslog + 1;
mp->m_rsumsize =
xfs_warn(mp, "realtime mount -- %llu != %llu",
(unsigned long long) XFS_BB_TO_FSB(mp, d),
(unsigned long long) mp->m_sb.sb_rblocks);
- return XFS_ERROR(EFBIG);
+ return -EFBIG;
}
- bp = xfs_buf_read_uncached(mp->m_rtdev_targp,
+ error = xfs_buf_read_uncached(mp->m_rtdev_targp,
d - XFS_FSB_TO_BB(mp, 1),
- XFS_FSB_TO_BB(mp, 1), 0, NULL);
- if (!bp || bp->b_error) {
+ XFS_FSB_TO_BB(mp, 1), 0, &bp, NULL);
+ if (error) {
xfs_warn(mp, "realtime device size check failed");
- if (bp)
- xfs_buf_relse(bp);
- return EIO;
+ return error;
}
xfs_buf_relse(bp);
return 0;
projects / karo-tx-linux.git / blobdiff