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[XFS] Cleanup inode extent size hint extraction

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SGI-PV: 966004
SGI-Modid: xfs-linux-melb:xfs-kern:28866a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
David Chinner 2007-06-18 16:50:37 +10:00 committed by Tim Shimmin
parent 84e1e99f11
commit 957d0ebed0
4 changed files with 38 additions and 43 deletions
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23
fs/xfs/xfs_bmap.c
View file

@ -2609,8 +2609,7 @@ xfs_bmap_rtalloc(
xfs_rtblock_t rtb;
mp = ap->ip->i_mount;
align = ap->ip->i_d.di_extsize ?
ap->ip->i_d.di_extsize : mp->m_sb.sb_rextsize;
align = xfs_get_extsz_hint(ap->ip);
prod = align / mp->m_sb.sb_rextsize;
error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp,
align, 1, ap->eof, 0,
@ -2715,9 +2714,7 @@ xfs_bmap_btalloc(
int error;
mp = ap->ip->i_mount;
align = (ap->userdata && ap->ip->i_d.di_extsize &&
(ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)) ?
ap->ip->i_d.di_extsize : 0;
align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0;
if (unlikely(align)) {
error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp,
align, 0, ap->eof, 0, ap->conv,
@ -2817,9 +2814,9 @@ xfs_bmap_btalloc(
args.total = ap->total;
args.minlen = ap->minlen;
}
if (unlikely(ap->userdata && ap->ip->i_d.di_extsize &&
(ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE))) {
args.prod = ap->ip->i_d.di_extsize;
/* apply extent size hints if obtained earlier */
if (unlikely(align)) {
args.prod = align;
if ((args.mod = (xfs_extlen_t)do_mod(ap->off, args.prod)))
args.mod = (xfs_extlen_t)(args.prod - args.mod);
} else if (mp->m_sb.sb_blocksize >= NBPP) {
@ -4868,12 +4865,7 @@ xfs_bmapi(
xfs_extlen_t extsz;
/* Figure out the extent size, adjust alen */
if (rt) {
if (!(extsz = ip->i_d.di_extsize))
extsz = mp->m_sb.sb_rextsize;
} else {
extsz = ip->i_d.di_extsize;
}
extsz = xfs_get_extsz_hint(ip);
if (extsz) {
error = xfs_bmap_extsize_align(mp,
&got, &prev, extsz,
@ -5813,8 +5805,7 @@ xfs_getbmap(
ip->i_d.di_format != XFS_DINODE_FMT_LOCAL)
return XFS_ERROR(EINVAL);
if (whichfork == XFS_DATA_FORK) {
if ((ip->i_d.di_extsize && (ip->i_d.di_flags &
(XFS_DIFLAG_REALTIME|XFS_DIFLAG_EXTSIZE))) ||
if (xfs_get_extsz_hint(ip) ||
ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)){
prealloced = 1;
fixlen = XFS_MAXIOFFSET(mp);

19
fs/xfs/xfs_iomap.c
View file

@ -451,19 +451,14 @@ xfs_iomap_write_direct(
return XFS_ERROR(error);
rt = XFS_IS_REALTIME_INODE(ip);
if (unlikely(rt)) {
if (!(extsz = ip->i_d.di_extsize))
extsz = mp->m_sb.sb_rextsize;
} else {
extsz = ip->i_d.di_extsize;
}
extsz = xfs_get_extsz_hint(ip);
isize = ip->i_size;
if (io->io_new_size > isize)
isize = io->io_new_size;
offset_fsb = XFS_B_TO_FSBT(mp, offset);
last_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)(offset + count)));
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, io, isize, extsz,
&last_fsb);
@ -666,13 +661,7 @@ xfs_iomap_write_delay(
if (error)
return XFS_ERROR(error);
if (XFS_IS_REALTIME_INODE(ip)) {
if (!(extsz = ip->i_d.di_extsize))
extsz = mp->m_sb.sb_rextsize;
} else {
extsz = ip->i_d.di_extsize;
}
extsz = xfs_get_extsz_hint(ip);
offset_fsb = XFS_B_TO_FSBT(mp, offset);
retry:

22
fs/xfs/xfs_rw.h
View file

@ -77,6 +77,28 @@ xfs_fsb_to_db_io(struct xfs_iocore *io, xfs_fsblock_t fsb)
#define XFS_FREE_EOF_LOCK (1<<0)
#define XFS_FREE_EOF_NOLOCK (1<<1)
/*
* helper function to extract extent size hint from inode
*/
STATIC_INLINE xfs_extlen_t
xfs_get_extsz_hint(
xfs_inode_t *ip)
{
xfs_extlen_t extsz;
if (unlikely(ip->i_d.di_flags & XFS_DIFLAG_REALTIME)) {
extsz = (ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)
? ip->i_d.di_extsize
: ip->i_mount->m_sb.sb_rextsize;
ASSERT(extsz);
} else {
extsz = (ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)
? ip->i_d.di_extsize : 0;
}
return extsz;
}
/*
* Prototypes for functions in xfs_rw.c.
*/

17
fs/xfs/xfs_vnodeops.c
View file

@ -183,9 +183,8 @@ xfs_getattr(
* realtime extent size or the realtime volume's
* extent size.
*/
vap->va_blocksize = ip->i_d.di_extsize ?
(ip->i_d.di_extsize << mp->m_sb.sb_blocklog) :
(mp->m_sb.sb_rextsize << mp->m_sb.sb_blocklog);
vap->va_blocksize =
xfs_get_extsz_hint(ip) << mp->m_sb.sb_blocklog;
}
break;
}
@ -4055,22 +4054,16 @@ xfs_alloc_file_space(
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
rt = XFS_IS_REALTIME_INODE(ip);
if (unlikely(rt)) {
if (!(extsz = ip->i_d.di_extsize))
extsz = mp->m_sb.sb_rextsize;
} else {
extsz = ip->i_d.di_extsize;
}
if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
return error;
if (len <= 0)
return XFS_ERROR(EINVAL);
rt = XFS_IS_REALTIME_INODE(ip);
extsz = xfs_get_extsz_hint(ip);
count = len;
error = 0;
imapp = &imaps[0];
nimaps = 1;
bmapi_flag = XFS_BMAPI_WRITE | (alloc_type ? XFS_BMAPI_PREALLOC : 0);