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-rw-r--r--fs/xfs/libxfs/xfs_bmap.c20
-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.c4
-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.h125
-rw-r--r--fs/xfs/libxfs/xfs_sb.c2
-rw-r--r--fs/xfs/libxfs/xfs_trans_resv.c3
-rw-r--r--fs/xfs/scrub/inode.c3
-rw-r--r--fs/xfs/scrub/rtbitmap.c18
-rw-r--r--fs/xfs/scrub/rtsummary.c4
-rw-r--r--fs/xfs/xfs_bmap_util.c38
-rw-r--r--fs/xfs/xfs_fsmap.c13
-rw-r--r--fs/xfs/xfs_inode_item.c3
-rw-r--r--fs/xfs/xfs_ioctl.c5
-rw-r--r--fs/xfs/xfs_linux.h12
-rw-r--r--fs/xfs/xfs_mount.h2
-rw-r--r--fs/xfs/xfs_rtalloc.c4
-rw-r--r--fs/xfs/xfs_super.c3
-rw-r--r--fs/xfs/xfs_trans.c7
17 files changed, 200 insertions, 66 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 4e7de4f2fd7a..be62acffad6c 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -2989,7 +2989,7 @@ xfs_bmap_extsize_align(
* If realtime, and the result isn't a multiple of the realtime
* extent size we need to remove blocks until it is.
*/
- if (rt && (temp = (align_alen % mp->m_sb.sb_rextsize))) {
+ if (rt && (temp = xfs_extlen_to_rtxmod(mp, align_alen))) {
/*
* We're not covering the original request, or
* we won't be able to once we fix the length.
@@ -3016,7 +3016,7 @@ xfs_bmap_extsize_align(
else {
align_alen -= orig_off - align_off;
align_off = orig_off;
- align_alen -= align_alen % mp->m_sb.sb_rextsize;
+ align_alen -= xfs_extlen_to_rtxmod(mp, align_alen);
}
/*
* Result doesn't cover the request, fail it.
@@ -4826,12 +4826,8 @@ xfs_bmap_del_extent_delay(
ASSERT(got->br_startoff <= del->br_startoff);
ASSERT(got_endoff >= del_endoff);
- if (isrt) {
- uint64_t rtexts = del->br_blockcount;
-
- do_div(rtexts, mp->m_sb.sb_rextsize);
- xfs_mod_frextents(mp, rtexts);
- }
+ if (isrt)
+ xfs_mod_frextents(mp, xfs_rtb_to_rtx(mp, del->br_blockcount));
/*
* Update the inode delalloc counter now and wait to update the
@@ -5276,7 +5272,6 @@ __xfs_bunmapi(
int tmp_logflags; /* partial logging flags */
int wasdel; /* was a delayed alloc extent */
int whichfork; /* data or attribute fork */
- xfs_fsblock_t sum;
xfs_filblks_t len = *rlen; /* length to unmap in file */
xfs_fileoff_t end;
struct xfs_iext_cursor icur;
@@ -5371,8 +5366,8 @@ __xfs_bunmapi(
if (!isrt)
goto delete;
- sum = del.br_startblock + del.br_blockcount;
- div_u64_rem(sum, mp->m_sb.sb_rextsize, &mod);
+ mod = xfs_rtb_to_rtxoff(mp,
+ del.br_startblock + del.br_blockcount);
if (mod) {
/*
* Realtime extent not lined up at the end.
@@ -5419,7 +5414,8 @@ __xfs_bunmapi(
goto error0;
goto nodelete;
}
- div_u64_rem(del.br_startblock, mp->m_sb.sb_rextsize, &mod);
+
+ mod = xfs_rtb_to_rtxoff(mp, del.br_startblock);
if (mod) {
xfs_extlen_t off = mp->m_sb.sb_rextsize - mod;
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index f64e4aeb393b..383c6437e042 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -1024,13 +1024,13 @@ xfs_rtfree_blocks(
ASSERT(rtlen <= XFS_MAX_BMBT_EXTLEN);
- len = div_u64_rem(rtlen, mp->m_sb.sb_rextsize, &mod);
+ len = xfs_rtb_to_rtxrem(mp, rtlen, &mod);
if (mod) {
ASSERT(mod == 0);
return -EIO;
}
- start = div_u64_rem(rtbno, mp->m_sb.sb_rextsize, &mod);
+ start = xfs_rtb_to_rtxrem(mp, rtbno, &mod);
if (mod) {
ASSERT(mod == 0);
return -EIO;
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h
index 5e2afb7fea0e..3686a53e0aed 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.h
+++ b/fs/xfs/libxfs/xfs_rtbitmap.h
@@ -6,6 +6,131 @@
#ifndef __XFS_RTBITMAP_H__
#define __XFS_RTBITMAP_H__
+static inline xfs_rtblock_t
+xfs_rtx_to_rtb(
+ struct xfs_mount *mp,
+ xfs_rtxnum_t rtx)
+{
+ if (mp->m_rtxblklog >= 0)
+ return rtx << mp->m_rtxblklog;
+
+ return rtx * mp->m_sb.sb_rextsize;
+}
+
+static inline xfs_extlen_t
+xfs_rtxlen_to_extlen(
+ struct xfs_mount *mp,
+ xfs_rtxlen_t rtxlen)
+{
+ if (mp->m_rtxblklog >= 0)
+ return rtxlen << mp->m_rtxblklog;
+
+ return rtxlen * mp->m_sb.sb_rextsize;
+}
+
+/* Compute the misalignment between an extent length and a realtime extent .*/
+static inline unsigned int
+xfs_extlen_to_rtxmod(
+ struct xfs_mount *mp,
+ xfs_extlen_t len)
+{
+ if (mp->m_rtxblklog >= 0)
+ return len & mp->m_rtxblkmask;
+
+ return len % mp->m_sb.sb_rextsize;
+}
+
+static inline xfs_rtxlen_t
+xfs_extlen_to_rtxlen(
+ struct xfs_mount *mp,
+ xfs_extlen_t len)
+{
+ if (mp->m_rtxblklog >= 0)
+ return len >> mp->m_rtxblklog;
+
+ return len / mp->m_sb.sb_rextsize;
+}
+
+/* Convert an rt block number into an rt extent number. */
+static inline xfs_rtxnum_t
+xfs_rtb_to_rtx(
+ struct xfs_mount *mp,
+ xfs_rtblock_t rtbno)
+{
+ if (likely(mp->m_rtxblklog >= 0))
+ return rtbno >> mp->m_rtxblklog;
+
+ return div_u64(rtbno, mp->m_sb.sb_rextsize);
+}
+
+/* Return the offset of an rt block number within an rt extent. */
+static inline xfs_extlen_t
+xfs_rtb_to_rtxoff(
+ struct xfs_mount *mp,
+ xfs_rtblock_t rtbno)
+{
+ if (likely(mp->m_rtxblklog >= 0))
+ return rtbno & mp->m_rtxblkmask;
+
+ return do_div(rtbno, mp->m_sb.sb_rextsize);
+}
+
+/*
+ * Crack an rt block number into an rt extent number and an offset within that
+ * rt extent. Returns the rt extent number directly and the offset in @off.
+ */
+static inline xfs_rtxnum_t
+xfs_rtb_to_rtxrem(
+ struct xfs_mount *mp,
+ xfs_rtblock_t rtbno,
+ xfs_extlen_t *off)
+{
+ if (likely(mp->m_rtxblklog >= 0)) {
+ *off = rtbno & mp->m_rtxblkmask;
+ return rtbno >> mp->m_rtxblklog;
+ }
+
+ return div_u64_rem(rtbno, mp->m_sb.sb_rextsize, off);
+}
+
+/*
+ * Convert an rt block number into an rt extent number, rounding up to the next
+ * rt extent if the rt block is not aligned to an rt extent boundary.
+ */
+static inline xfs_rtxnum_t
+xfs_rtb_to_rtxup(
+ struct xfs_mount *mp,
+ xfs_rtblock_t rtbno)
+{
+ if (likely(mp->m_rtxblklog >= 0)) {
+ if (rtbno & mp->m_rtxblkmask)
+ return (rtbno >> mp->m_rtxblklog) + 1;
+ return rtbno >> mp->m_rtxblklog;
+ }
+
+ if (do_div(rtbno, mp->m_sb.sb_rextsize))
+ rtbno++;
+ return rtbno;
+}
+
+/* Round this rtblock up to the nearest rt extent size. */
+static inline xfs_rtblock_t
+xfs_rtb_roundup_rtx(
+ struct xfs_mount *mp,
+ xfs_rtblock_t rtbno)
+{
+ return roundup_64(rtbno, mp->m_sb.sb_rextsize);
+}
+
+/* Round this rtblock down to the nearest rt extent size. */
+static inline xfs_rtblock_t
+xfs_rtb_rounddown_rtx(
+ struct xfs_mount *mp,
+ xfs_rtblock_t rtbno)
+{
+ return rounddown_64(rtbno, mp->m_sb.sb_rextsize);
+}
+
/*
* Functions for walking free space rtextents in the realtime bitmap.
*/
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index 6264daaab37b..1f74d0cd1618 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -975,6 +975,8 @@ xfs_sb_mount_common(
mp->m_blockmask = sbp->sb_blocksize - 1;
mp->m_blockwsize = sbp->sb_blocksize >> XFS_WORDLOG;
mp->m_blockwmask = mp->m_blockwsize - 1;
+ mp->m_rtxblklog = log2_if_power2(sbp->sb_rextsize);
+ mp->m_rtxblkmask = mask64_if_power2(sbp->sb_rextsize);
mp->m_alloc_mxr[0] = xfs_allocbt_maxrecs(mp, sbp->sb_blocksize, 1);
mp->m_alloc_mxr[1] = xfs_allocbt_maxrecs(mp, sbp->sb_blocksize, 0);
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 5b2f27cbdb80..4629f10d2f67 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -19,6 +19,7 @@
#include "xfs_trans.h"
#include "xfs_qm.h"
#include "xfs_trans_space.h"
+#include "xfs_rtbitmap.h"
#define _ALLOC true
#define _FREE false
@@ -220,7 +221,7 @@ xfs_rtalloc_block_count(
unsigned int blksz = XFS_FSB_TO_B(mp, 1);
unsigned int rtbmp_bytes;
- rtbmp_bytes = (XFS_MAX_BMBT_EXTLEN / mp->m_sb.sb_rextsize) / NBBY;
+ rtbmp_bytes = xfs_extlen_to_rtxlen(mp, XFS_MAX_BMBT_EXTLEN) / NBBY;
return (howmany(rtbmp_bytes, blksz) + 1) * num_ops;
}
diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c
index 59d7912fb75f..889f556bc98f 100644
--- a/fs/xfs/scrub/inode.c
+++ b/fs/xfs/scrub/inode.c
@@ -20,6 +20,7 @@
#include "xfs_reflink.h"
#include "xfs_rmap.h"
#include "xfs_bmap_util.h"
+#include "xfs_rtbitmap.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/btree.h"
@@ -225,7 +226,7 @@ xchk_inode_extsize(
*/
if ((flags & XFS_DIFLAG_RTINHERIT) &&
(flags & XFS_DIFLAG_EXTSZINHERIT) &&
- value % sc->mp->m_sb.sb_rextsize > 0)
+ xfs_extlen_to_rtxmod(sc->mp, value) > 0)
xchk_ino_set_warning(sc, ino);
}
diff --git a/fs/xfs/scrub/rtbitmap.c b/fs/xfs/scrub/rtbitmap.c
index bea5a2b75a06..41a1d89ae8e6 100644
--- a/fs/xfs/scrub/rtbitmap.c
+++ b/fs/xfs/scrub/rtbitmap.c
@@ -50,8 +50,8 @@ xchk_rtbitmap_rec(
xfs_rtblock_t startblock;
xfs_filblks_t blockcount;
- startblock = rec->ar_startext * mp->m_sb.sb_rextsize;
- blockcount = rec->ar_extcount * mp->m_sb.sb_rextsize;
+ startblock = xfs_rtx_to_rtb(mp, rec->ar_startext);
+ blockcount = xfs_rtx_to_rtb(mp, rec->ar_extcount);
if (!xfs_verify_rtbext(mp, startblock, blockcount))
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, 0);
@@ -128,26 +128,22 @@ out:
void
xchk_xref_is_used_rt_space(
struct xfs_scrub *sc,
- xfs_rtblock_t fsbno,
+ xfs_rtblock_t rtbno,
xfs_extlen_t len)
{
xfs_rtxnum_t startext;
xfs_rtxnum_t endext;
- xfs_rtxlen_t extcount;
bool is_free;
int error;
if (xchk_skip_xref(sc->sm))
return;
- startext = fsbno;
- endext = fsbno + len - 1;
- do_div(startext, sc->mp->m_sb.sb_rextsize);
- do_div(endext, sc->mp->m_sb.sb_rextsize);
- extcount = endext - startext + 1;
+ startext = xfs_rtb_to_rtx(sc->mp, rtbno);
+ endext = xfs_rtb_to_rtx(sc->mp, rtbno + len - 1);
xfs_ilock(sc->mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
- error = xfs_rtalloc_extent_is_free(sc->mp, sc->tp, startext, extcount,
- &is_free);
+ error = xfs_rtalloc_extent_is_free(sc->mp, sc->tp, startext,
+ endext - startext + 1, &is_free);
if (!xchk_should_check_xref(sc, &error, NULL))
goto out_unlock;
if (is_free)
diff --git a/fs/xfs/scrub/rtsummary.c b/fs/xfs/scrub/rtsummary.c
index d998f0c378a4..d363286e8b72 100644
--- a/fs/xfs/scrub/rtsummary.c
+++ b/fs/xfs/scrub/rtsummary.c
@@ -134,8 +134,8 @@ xchk_rtsum_record_free(
lenlog = XFS_RTBLOCKLOG(rec->ar_extcount);
offs = XFS_SUMOFFS(mp, lenlog, rbmoff);
- rtbno = rec->ar_startext * mp->m_sb.sb_rextsize;
- rtlen = rec->ar_extcount * mp->m_sb.sb_rextsize;
+ rtbno = xfs_rtx_to_rtb(mp, rec->ar_startext);
+ rtlen = xfs_rtx_to_rtb(mp, rec->ar_extcount);
if (!xfs_verify_rtbext(mp, rtbno, rtlen)) {
xchk_ino_xref_set_corrupt(sc, mp->m_rbmip->i_ino);
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 557330281ae3..c640dfc2d00f 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -28,6 +28,7 @@
#include "xfs_icache.h"
#include "xfs_iomap.h"
#include "xfs_reflink.h"
+#include "xfs_rtbitmap.h"
/* Kernel only BMAP related definitions and functions */
@@ -89,14 +90,14 @@ xfs_bmap_rtalloc(
align = xfs_get_extsz_hint(ap->ip);
retry:
- prod = align / mp->m_sb.sb_rextsize;
+ prod = xfs_extlen_to_rtxlen(mp, align);
error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev,
align, 1, ap->eof, 0,
ap->conv, &ap->offset, &ap->length);
if (error)
return error;
ASSERT(ap->length);
- ASSERT(ap->length % mp->m_sb.sb_rextsize == 0);
+ ASSERT(xfs_extlen_to_rtxmod(mp, ap->length) == 0);
/*
* If we shifted the file offset downward to satisfy an extent size
@@ -116,17 +117,14 @@ retry:
prod = 1;
/*
* Set ralen to be the actual requested length in rtextents.
- */
- ralen = ap->length / mp->m_sb.sb_rextsize;
- /*
+ *
* If the old value was close enough to XFS_BMBT_MAX_EXTLEN that
* we rounded up to it, cut it back so it's valid again.
* Note that if it's a really large request (bigger than
* XFS_BMBT_MAX_EXTLEN), we don't hear about that number, and can't
* adjust the starting point to match it.
*/
- if (ralen * mp->m_sb.sb_rextsize >= XFS_MAX_BMBT_EXTLEN)
- ralen = XFS_MAX_BMBT_EXTLEN / mp->m_sb.sb_rextsize;
+ ralen = xfs_extlen_to_rtxlen(mp, min(ap->length, XFS_MAX_BMBT_EXTLEN));
/*
* Lock out modifications to both the RT bitmap and summary inodes
@@ -147,7 +145,7 @@ retry:
error = xfs_rtpick_extent(mp, ap->tp, ralen, &rtx);
if (error)
return error;
- ap->blkno = rtx * mp->m_sb.sb_rextsize;
+ ap->blkno = xfs_rtx_to_rtb(mp, rtx);
} else {
ap->blkno = 0;
}
@@ -158,20 +156,18 @@ retry:
* Realtime allocation, done through xfs_rtallocate_extent.
*/
if (ignore_locality)
- ap->blkno = 0;
+ rtx = 0;
else
- do_div(ap->blkno, mp->m_sb.sb_rextsize);
- rtx = ap->blkno;
- ap->length = ralen;
- raminlen = max_t(xfs_extlen_t, 1, minlen / mp->m_sb.sb_rextsize);
- error = xfs_rtallocate_extent(ap->tp, ap->blkno, raminlen, ap->length,
- &ralen, ap->wasdel, prod, &rtx);
+ rtx = xfs_rtb_to_rtx(mp, ap->blkno);
+ raminlen = max_t(xfs_rtxlen_t, 1, xfs_extlen_to_rtxlen(mp, minlen));
+ error = xfs_rtallocate_extent(ap->tp, rtx, raminlen, ralen, &ralen,
+ ap->wasdel, prod, &rtx);
if (error)
return error;
if (rtx != NULLRTEXTNO) {
- ap->blkno = rtx * mp->m_sb.sb_rextsize;
- ap->length = ralen * mp->m_sb.sb_rextsize;
+ ap->blkno = xfs_rtx_to_rtb(mp, rtx);
+ ap->length = xfs_rtxlen_to_extlen(mp, ralen);
ap->ip->i_nblocks += ap->length;
xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE);
if (ap->wasdel)
@@ -688,7 +684,7 @@ xfs_can_free_eofblocks(
*/
end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_ISIZE(ip));
if (XFS_IS_REALTIME_INODE(ip) && mp->m_sb.sb_rextsize > 1)
- end_fsb = roundup_64(end_fsb, mp->m_sb.sb_rextsize);
+ end_fsb = xfs_rtb_roundup_rtx(mp, end_fsb);
last_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
if (last_fsb <= end_fsb)
return false;
@@ -987,10 +983,8 @@ xfs_free_file_space(
/* We can only free complete realtime extents. */
if (XFS_IS_REALTIME_INODE(ip) && mp->m_sb.sb_rextsize > 1) {
- startoffset_fsb = roundup_64(startoffset_fsb,
- mp->m_sb.sb_rextsize);
- endoffset_fsb = rounddown_64(endoffset_fsb,
- mp->m_sb.sb_rextsize);
+ startoffset_fsb = xfs_rtb_roundup_rtx(mp, startoffset_fsb);
+ endoffset_fsb = xfs_rtb_rounddown_rtx(mp, endoffset_fsb);
}
/*
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 8982c5d6cbd0..5a72217f5feb 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -483,11 +483,11 @@ xfs_getfsmap_rtdev_rtbitmap_helper(
xfs_rtblock_t rtbno;
xfs_daddr_t rec_daddr, len_daddr;
- rtbno = rec->ar_startext * mp->m_sb.sb_rextsize;
+ rtbno = xfs_rtx_to_rtb(mp, rec->ar_startext);
rec_daddr = XFS_FSB_TO_BB(mp, rtbno);
irec.rm_startblock = rtbno;
- rtbno = rec->ar_extcount * mp->m_sb.sb_rextsize;
+ rtbno = xfs_rtx_to_rtb(mp, rec->ar_extcount);
len_daddr = XFS_FSB_TO_BB(mp, rtbno);
irec.rm_blockcount = rtbno;
@@ -514,7 +514,7 @@ xfs_getfsmap_rtdev_rtbitmap(
uint64_t eofs;
int error;
- eofs = XFS_FSB_TO_BB(mp, mp->m_sb.sb_rextents * mp->m_sb.sb_rextsize);
+ eofs = XFS_FSB_TO_BB(mp, xfs_rtx_to_rtb(mp, mp->m_sb.sb_rextents));
if (keys[0].fmr_physical >= eofs)
return 0;
start_rtb = XFS_BB_TO_FSBT(mp,
@@ -539,11 +539,8 @@ xfs_getfsmap_rtdev_rtbitmap(
* Set up query parameters to return free rtextents covering the range
* we want.
*/
- alow.ar_startext = start_rtb;
- ahigh.ar_startext = end_rtb;
- do_div(alow.ar_startext, mp->m_sb.sb_rextsize);
- if (do_div(ahigh.ar_startext, mp->m_sb.sb_rextsize))
- ahigh.ar_startext++;
+ alow.ar_startext = xfs_rtb_to_rtx(mp, start_rtb);
+ ahigh.ar_startext = xfs_rtb_to_rtxup(mp, end_rtb);
error = xfs_rtalloc_query_range(mp, tp, &alow, &ahigh,
xfs_getfsmap_rtdev_rtbitmap_helper, info);
if (error)
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 127b2410eb20..3183d0b03e0b 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -19,6 +19,7 @@
#include "xfs_log.h"
#include "xfs_log_priv.h"
#include "xfs_error.h"
+#include "xfs_rtbitmap.h"
#include <linux/iversion.h>
@@ -107,7 +108,7 @@ xfs_inode_item_precommit(
*/
if ((ip->i_diflags & XFS_DIFLAG_RTINHERIT) &&
(ip->i_diflags & XFS_DIFLAG_EXTSZINHERIT) &&
- (ip->i_extsize % ip->i_mount->m_sb.sb_rextsize) > 0) {
+ xfs_extlen_to_rtxmod(ip->i_mount, ip->i_extsize) > 0) {
ip->i_diflags &= ~(XFS_DIFLAG_EXTSIZE |
XFS_DIFLAG_EXTSZINHERIT);
ip->i_extsize = 0;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 55bb01173cde..a82470e027f7 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -38,6 +38,7 @@
#include "xfs_reflink.h"
#include "xfs_ioctl.h"
#include "xfs_xattr.h"
+#include "xfs_rtbitmap.h"
#include <linux/mount.h>
#include <linux/namei.h>
@@ -1004,7 +1005,7 @@ xfs_fill_fsxattr(
* later.
*/
if ((ip->i_diflags & XFS_DIFLAG_RTINHERIT) &&
- ip->i_extsize % mp->m_sb.sb_rextsize > 0) {
+ xfs_extlen_to_rtxmod(mp, ip->i_extsize) > 0) {
fa->fsx_xflags &= ~(FS_XFLAG_EXTSIZE |
FS_XFLAG_EXTSZINHERIT);
fa->fsx_extsize = 0;
@@ -1130,7 +1131,7 @@ xfs_ioctl_setattr_xflags(
/* If realtime flag is set then must have realtime device */
if (fa->fsx_xflags & FS_XFLAG_REALTIME) {
if (mp->m_sb.sb_rblocks == 0 || mp->m_sb.sb_rextsize == 0 ||
- (ip->i_extsize % mp->m_sb.sb_rextsize))
+ xfs_extlen_to_rtxmod(mp, ip->i_extsize))
return -EINVAL;
}
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index e9d317a3dafe..d7873e0360f0 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -198,6 +198,18 @@ static inline uint64_t howmany_64(uint64_t x, uint32_t y)
return x;
}
+/* If @b is a power of 2, return log2(b). Else return -1. */
+static inline int8_t log2_if_power2(unsigned long b)
+{
+ return is_power_of_2(b) ? ilog2(b) : -1;
+}
+
+/* If @b is a power of 2, return a mask of the lower bits, else return zero. */
+static inline unsigned long long mask64_if_power2(unsigned long b)
+{
+ return is_power_of_2(b) ? b - 1 : 0;
+}
+
int xfs_rw_bdev(struct block_device *bdev, sector_t sector, unsigned int count,
char *data, enum req_op op);
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index d19cca099bc3..d8769dc5f6dd 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -119,6 +119,7 @@ typedef struct xfs_mount {
uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
uint8_t m_agno_log; /* log #ag's */
uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
+ int8_t m_rtxblklog; /* log2 of rextsize, if possible */
uint m_blockmask; /* sb_blocksize-1 */
uint m_blockwsize; /* sb_blocksize in words */
uint m_blockwmask; /* blockwsize-1 */
@@ -152,6 +153,7 @@ typedef struct xfs_mount {
uint64_t m_features; /* active filesystem features */
uint64_t m_low_space[XFS_LOWSP_MAX];
uint64_t m_low_rtexts[XFS_LOWSP_MAX];
+ uint64_t m_rtxblkmask; /* rt extent block mask */
struct xfs_ino_geometry m_ino_geo; /* inode geometry */
struct xfs_trans_resv m_resv; /* precomputed res values */
/* low free space thresholds */
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 62faec195040..e5a3200cea72 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -1054,12 +1054,12 @@ xfs_growfs_rt(
* Calculate new sb and mount fields for this round.
*/
nsbp->sb_rextsize = in->extsize;
+ nmp->m_rtxblklog = -1; /* don't use shift or masking */
nsbp->sb_rbmblocks = bmbno + 1;
nrblocks_step = (bmbno + 1) * NBBY * nsbp->sb_blocksize *
nsbp->sb_rextsize;
nsbp->sb_rblocks = min(nrblocks, nrblocks_step);
- nsbp->sb_rextents = nsbp->sb_rblocks;
- do_div(nsbp->sb_rextents, nsbp->sb_rextsize);
+ nsbp->sb_rextents = xfs_rtb_to_rtx(nmp, nsbp->sb_rblocks);
ASSERT(nsbp->sb_rextents != 0);
nsbp->sb_rextslog = xfs_highbit32(nsbp->sb_rextents);
nrsumlevels = nmp->m_rsumlevels = nsbp->sb_rextslog + 1;
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 819a3568b28f..991a31089dc7 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -42,6 +42,7 @@
#include "xfs_xattr.h"
#include "xfs_iunlink_item.h"
#include "xfs_dahash_test.h"
+#include "xfs_rtbitmap.h"
#include "scrub/stats.h"
#include <linux/magic.h>
@@ -890,7 +891,7 @@ xfs_fs_statfs(
statp->f_blocks = sbp->sb_rblocks;
freertx = percpu_counter_sum_positive(&mp->m_frextents);
- statp->f_bavail = statp->f_bfree = freertx * sbp->sb_rextsize;
+ statp->f_bavail = statp->f_bfree = xfs_rtx_to_rtb(mp, freertx);
}
return 0;
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 8c0bfc9a33b1..305c9d07bf1b 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -24,6 +24,7 @@
#include "xfs_dquot_item.h"
#include "xfs_dquot.h"
#include "xfs_icache.h"
+#include "xfs_rtbitmap.h"
struct kmem_cache *xfs_trans_cache;
@@ -655,6 +656,10 @@ xfs_trans_unreserve_and_mod_sb(
mp->m_sb.sb_agcount += tp->t_agcount_delta;
mp->m_sb.sb_imax_pct += tp->t_imaxpct_delta;
mp->m_sb.sb_rextsize += tp->t_rextsize_delta;
+ if (tp->t_rextsize_delta) {
+ mp->m_rtxblklog = log2_if_power2(mp->m_sb.sb_rextsize);
+ mp->m_rtxblkmask = mask64_if_power2(mp->m_sb.sb_rextsize);
+ }
mp->m_sb.sb_rbmblocks += tp->t_rbmblocks_delta;
mp->m_sb.sb_rblocks += tp->t_rblocks_delta;
mp->m_sb.sb_rextents += tp->t_rextents_delta;
@@ -1196,7 +1201,7 @@ xfs_trans_alloc_inode(
retry:
error = xfs_trans_alloc(mp, resv, dblocks,
- rblocks / mp->m_sb.sb_rextsize,
+ xfs_extlen_to_rtxlen(mp, rblocks),
force ? XFS_TRANS_RESERVE : 0, &tp);
if (error)
return error;
generated by cgit (git 2.34.1) at 2025-06-04 02:02:24 +0000