iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
iomapp->iomap_flags = flags;
- if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME) {
+ if (XFS_IS_REALTIME_INODE(ip)) {
iomapp->iomap_flags |= IOMAP_REALTIME;
iomapp->iomap_target = mp->m_rtdev_targp;
} else {
iomapp->iomap_bn = IOMAP_DADDR_NULL;
iomapp->iomap_flags |= IOMAP_DELAY;
} else {
- iomapp->iomap_bn = XFS_FSB_TO_DB(ip, start_block);
+ iomapp->iomap_bn = xfs_fsb_to_db(ip, start_block);
if (ISUNWRITTEN(imap))
iomapp->iomap_flags |= IOMAP_UNWRITTEN;
}
break;
case BMAPI_WRITE:
xfs_iomap_enter_trace(XFS_IOMAP_WRITE_ENTER, ip, offset, count);
- lockmode = XFS_ILOCK_EXCL|XFS_EXTSIZE_WR;
+ lockmode = XFS_ILOCK_EXCL;
if (flags & BMAPI_IGNSTATE)
bmapi_flags |= XFS_BMAPI_IGSTATE|XFS_BMAPI_ENTIRE;
xfs_ilock(ip, lockmode);
break;
case BMAPI_ALLOCATE:
xfs_iomap_enter_trace(XFS_IOMAP_ALLOC_ENTER, ip, offset, count);
- lockmode = XFS_ILOCK_SHARED|XFS_EXTSIZE_RD;
+ lockmode = XFS_ILOCK_SHARED;
bmapi_flags = XFS_BMAPI_ENTIRE;
/* Attempt non-blocking lock */
xfs_iunlock(ip, lockmode);
lockmode = 0;
- if (nimaps && !ISNULLSTARTBLOCK(imap.br_startblock)) {
+ if (nimaps && !isnullstartblock(imap.br_startblock)) {
xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, ip,
offset, count, iomapp, &imap, flags);
break;
xfs_iomap_eof_align_last_fsb(
xfs_mount_t *mp,
xfs_inode_t *ip,
- xfs_fsize_t isize,
xfs_extlen_t extsize,
xfs_fileoff_t *last_fsb)
{
xfs_extlen_t align;
int eof, error;
- if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
+ if (XFS_IS_REALTIME_INODE(ip))
;
/*
* If mounted with the "-o swalloc" option, roundup the allocation
* stripe width and we are allocating past the allocation eof.
*/
else if (mp->m_swidth && (mp->m_flags & XFS_MOUNT_SWALLOC) &&
- (isize >= XFS_FSB_TO_B(mp, mp->m_swidth)))
+ (ip->i_size >= XFS_FSB_TO_B(mp, mp->m_swidth)))
new_last_fsb = roundup_64(*last_fsb, mp->m_swidth);
/*
* Roundup the allocation request to a stripe unit (m_dalign) boundary
* if the file size is >= stripe unit size, and we are allocating past
* the allocation eof.
*/
- else if (mp->m_dalign && (isize >= XFS_FSB_TO_B(mp, mp->m_dalign)))
+ else if (mp->m_dalign && (ip->i_size >= XFS_FSB_TO_B(mp, mp->m_dalign)))
new_last_fsb = roundup_64(*last_fsb, mp->m_dalign);
/*
xfs_filblks_t count_fsb, resaligned;
xfs_fsblock_t firstfsb;
xfs_extlen_t extsz, temp;
- xfs_fsize_t isize;
int nimaps;
int bmapi_flag;
int quota_flag;
rt = XFS_IS_REALTIME_INODE(ip);
extsz = xfs_get_extsz_hint(ip);
- isize = ip->i_size;
- if (ip->i_new_size > isize)
- isize = ip->i_new_size;
-
offset_fsb = XFS_B_TO_FSBT(mp, offset);
last_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)(offset + count)));
- if ((offset + count) > isize) {
- error = xfs_iomap_eof_align_last_fsb(mp, ip, isize, extsz,
- &last_fsb);
+ if ((offset + count) > ip->i_size) {
+ error = xfs_iomap_eof_align_last_fsb(mp, ip, extsz, &last_fsb);
if (error)
goto error_out;
} else {
/*
* Issue the xfs_bmapi() call to allocate the blocks
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
nimaps = 1;
error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, bmapi_flag,
&firstfsb, 0, &imap, &nimaps, &free_list, NULL);
goto error_out;
}
- if (unlikely(!imap.br_startblock &&
- !(ip->i_d.di_flags & XFS_DIFLAG_REALTIME))) {
+ if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip))) {
error = xfs_cmn_err_fsblock_zero(ip, &imap);
goto error_out;
}
xfs_iomap_eof_want_preallocate(
xfs_mount_t *mp,
xfs_inode_t *ip,
- xfs_fsize_t isize,
xfs_off_t offset,
size_t count,
int ioflag,
int n, error, imaps;
*prealloc = 0;
- if ((ioflag & BMAPI_SYNC) || (offset + count) <= isize)
+ if ((ioflag & BMAPI_SYNC) || (offset + count) <= ip->i_size)
return 0;
/*
xfs_fileoff_t ioalign;
xfs_fsblock_t firstblock;
xfs_extlen_t extsz;
- xfs_fsize_t isize;
int nimaps;
xfs_bmbt_irec_t imap[XFS_WRITE_IMAPS];
int prealloc, fsynced = 0;
int error;
- ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE) != 0);
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
/*
* Make sure that the dquots are there. This doesn't hold
offset_fsb = XFS_B_TO_FSBT(mp, offset);
retry:
- isize = ip->i_size;
- if (ip->i_new_size > isize)
- isize = ip->i_new_size;
-
- error = xfs_iomap_eof_want_preallocate(mp, ip, isize, offset, count,
+ error = xfs_iomap_eof_want_preallocate(mp, ip, offset, count,
ioflag, imap, XFS_WRITE_IMAPS, &prealloc);
if (error)
return error;
}
if (prealloc || extsz) {
- error = xfs_iomap_eof_align_last_fsb(mp, ip, isize, extsz,
- &last_fsb);
+ error = xfs_iomap_eof_align_last_fsb(mp, ip, extsz, &last_fsb);
if (error)
return error;
}
goto retry;
}
- if (unlikely(!imap[0].br_startblock &&
- !(ip->i_d.di_flags & XFS_DIFLAG_REALTIME)))
+ if (!(imap[0].br_startblock || XFS_IS_REALTIME_INODE(ip)))
return xfs_cmn_err_fsblock_zero(ip, &imap[0]);
*ret_imap = imap[0];
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_ihold(tp, ip);
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
/*
* it is possible that the extents have changed since
*/
nimaps = 1;
end_fsb = XFS_B_TO_FSB(mp, ip->i_size);
- xfs_bmap_last_offset(NULL, ip, &last_block,
- XFS_DATA_FORK);
+ error = xfs_bmap_last_offset(NULL, ip, &last_block,
+ XFS_DATA_FORK);
+ if (error)
+ goto trans_cancel;
+
last_block = XFS_FILEOFF_MAX(last_block, end_fsb);
if ((map_start_fsb + count_fsb) > last_block) {
count_fsb = last_block - map_start_fsb;
* See if we were able to allocate an extent that
* covers at least part of the callers request
*/
- if (unlikely(!imap.br_startblock &&
- XFS_IS_REALTIME_INODE(ip)))
+ if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip)))
return xfs_cmn_err_fsblock_zero(ip, &imap);
+
if ((offset_fsb >= imap.br_startoff) &&
(offset_fsb < (imap.br_startoff +
imap.br_blockcount))) {
count_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count);
count_fsb = (xfs_filblks_t)(count_fsb - offset_fsb);
+ /*
+ * Reserve enough blocks in this transaction for two complete extent
+ * btree splits. We may be converting the middle part of an unwritten
+ * extent and in this case we will insert two new extents in the btree
+ * each of which could cause a full split.
+ *
+ * This reservation amount will be used in the first call to
+ * xfs_bmbt_split() to select an AG with enough space to satisfy the
+ * rest of the operation.
+ */
resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
do {
/*
* Modify the unwritten extent state of the buffer.
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
nimaps = 1;
error = xfs_bmapi(tp, ip, offset_fsb, count_fsb,
XFS_BMAPI_WRITE|XFS_BMAPI_CONVERT, &firstfsb,
if (error)
return XFS_ERROR(error);
- if (unlikely(!imap.br_startblock &&
- !(ip->i_d.di_flags & XFS_DIFLAG_REALTIME)))
+ if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip)))
return xfs_cmn_err_fsblock_zero(ip, &imap);
if ((numblks_fsb = imap.br_blockcount) == 0) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff