switch (flags & (BMAPI_WRITE|BMAPI_ALLOCATE|BMAPI_UNWRITTEN)) {
case BMAPI_WRITE:
/* If we found an extent, return it */
- if (nimaps && (imap.br_startblock != HOLESTARTBLOCK)) {
+ if (nimaps &&
+ (imap.br_startblock != HOLESTARTBLOCK) &&
+ (imap.br_startblock != DELAYSTARTBLOCK)) {
xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, io,
offset, count, iomapp, &imap, flags);
break;
break;
}
- error = XFS_IOMAP_WRITE_ALLOCATE(mp, io, &imap, &nimaps);
+ error = XFS_IOMAP_WRITE_ALLOCATE(mp, io, offset, count,
+ &imap, &nimaps);
break;
case BMAPI_UNWRITTEN:
lockmode = 0;
int
xfs_iomap_write_direct(
xfs_inode_t *ip,
- loff_t offset,
+ xfs_off_t offset,
size_t count,
int flags,
xfs_bmbt_irec_t *ret_imap,
int nimaps, maps;
int error;
int bmapi_flag;
+ int quota_flag;
int rt;
xfs_trans_t *tp;
xfs_bmbt_irec_t imap[XFS_WRITE_IMAPS], *imapp;
xfs_bmap_free_t free_list;
int aeof;
- xfs_filblks_t datablocks;
+ xfs_filblks_t qblocks, resblks;
int committed;
- int numrtextents;
- uint resblks;
+ int resrtextents;
/*
* Make sure that the dquots are there. This doesn't hold
xfs_fileoff_t map_last_fsb;
map_last_fsb = ret_imap->br_blockcount + ret_imap->br_startoff;
-
if (map_last_fsb < last_fsb) {
last_fsb = map_last_fsb;
count_fsb = last_fsb - offset_fsb;
}
/*
- * determine if reserving space on
- * the data or realtime partition.
+ * Determine if reserving space on the data or realtime partition.
*/
if ((rt = XFS_IS_REALTIME_INODE(ip))) {
- int sbrtextsize, iprtextsize;
-
- sbrtextsize = mp->m_sb.sb_rextsize;
- iprtextsize =
- ip->i_d.di_extsize ? ip->i_d.di_extsize : sbrtextsize;
- numrtextents = (count_fsb + iprtextsize - 1);
- do_div(numrtextents, sbrtextsize);
- datablocks = 0;
+ xfs_extlen_t extsz;
+
+ if (!(extsz = ip->i_d.di_extsize))
+ extsz = mp->m_sb.sb_rextsize;
+ resrtextents = qblocks = (count_fsb + extsz - 1);
+ do_div(resrtextents, mp->m_sb.sb_rextsize);
+ resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
+ quota_flag = XFS_QMOPT_RES_RTBLKS;
} else {
- datablocks = count_fsb;
- numrtextents = 0;
+ resrtextents = 0;
+ resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, count_fsb);
+ quota_flag = XFS_QMOPT_RES_REGBLKS;
}
/*
- * allocate and setup the transaction
+ * Allocate and setup the transaction
*/
xfs_iunlock(ip, XFS_ILOCK_EXCL);
tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT);
-
- resblks = XFS_DIOSTRAT_SPACE_RES(mp, datablocks);
-
error = xfs_trans_reserve(tp, resblks,
- XFS_WRITE_LOG_RES(mp), numrtextents,
+ XFS_WRITE_LOG_RES(mp), resrtextents,
XFS_TRANS_PERM_LOG_RES,
XFS_WRITE_LOG_COUNT);
/*
- * check for running out of space
+ * Check for running out of space, note: need lock to return
*/
if (error)
- /*
- * Free the transaction structure.
- */
xfs_trans_cancel(tp, 0);
-
xfs_ilock(ip, XFS_ILOCK_EXCL);
-
if (error)
- goto error_out; /* Don't return in above if .. trans ..,
- need lock to return */
+ goto error_out;
- if (XFS_TRANS_RESERVE_BLKQUOTA(mp, tp, ip, resblks)) {
+ if (XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, tp, ip, qblocks, 0, quota_flag)) {
error = (EDQUOT);
goto error1;
}
- nimaps = 1;
bmapi_flag = XFS_BMAPI_WRITE;
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
bmapi_flag |= XFS_BMAPI_PREALLOC;
/*
- * issue the bmapi() call to allocate the blocks
+ * Issue the bmapi() call to allocate the blocks
*/
XFS_BMAP_INIT(&free_list, &firstfsb);
+ nimaps = 1;
imapp = &imap[0];
error = xfs_bmapi(tp, ip, offset_fsb, count_fsb,
bmapi_flag, &firstfsb, 0, imapp, &nimaps, &free_list);
- if (error) {
+ if (error)
goto error0;
- }
/*
- * complete the transaction
+ * Complete the transaction
*/
-
error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed);
- if (error) {
+ if (error)
goto error0;
- }
-
error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
- if (error) {
+ if (error)
goto error_out;
- }
- /* copy any maps to caller's array and return any error. */
+ /*
+ * Copy any maps to caller's array and return any error.
+ */
if (nimaps == 0) {
error = (ENOSPC);
goto error_out;
}
return 0;
- error0: /* Cancel bmap, unlock inode, and cancel trans */
+error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */
xfs_bmap_cancel(&free_list);
+ XFS_TRANS_UNRESERVE_QUOTA_NBLKS(mp, tp, ip, qblocks, 0, quota_flag);
- error1: /* Just cancel transaction */
+error1: /* Just cancel transaction */
xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT);
*nmaps = 0; /* nothing set-up here */
int
xfs_iomap_write_delay(
xfs_inode_t *ip,
- loff_t offset,
+ xfs_off_t offset,
size_t count,
int ioflag,
xfs_bmbt_irec_t *ret_imap,
int
xfs_iomap_write_allocate(
xfs_inode_t *ip,
+ xfs_off_t offset,
+ size_t count,
xfs_bmbt_irec_t *map,
int *retmap)
{
if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
return XFS_ERROR(error);
- offset_fsb = map->br_startoff;
+ offset_fsb = XFS_B_TO_FSBT(mp, offset);
count_fsb = map->br_blockcount;
- map_start_fsb = offset_fsb;
+ map_start_fsb = map->br_startoff;
XFS_STATS_ADD(xs_xstrat_bytes, XFS_FSB_TO_B(mp, count_fsb));
imap[i].br_startoff,
imap[i].br_blockcount,imap[i].br_state);
}
- if ((map->br_startoff >= imap[i].br_startoff) &&
- (map->br_startoff < (imap[i].br_startoff +
- imap[i].br_blockcount))) {
+ if ((offset_fsb >= imap[i].br_startoff) &&
+ (offset_fsb < (imap[i].br_startoff +
+ imap[i].br_blockcount))) {
*map = imap[i];
*retmap = 1;
XFS_STATS_INC(xs_xstrat_quick);
* file, just surrounding data, try again.
*/
nimaps--;
- offset_fsb = imap[nimaps].br_startoff +
- imap[nimaps].br_blockcount;
- map_start_fsb = offset_fsb;
+ map_start_fsb = imap[nimaps].br_startoff +
+ imap[nimaps].br_blockcount;
}
trans_cancel:
int
xfs_iomap_write_unwritten(
xfs_inode_t *ip,
- loff_t offset,
+ xfs_off_t offset,
size_t count)
{
xfs_mount_t *mp = ip->i_mount;
projects / linux-2.6 / blobdiff