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Diffstat (limited to 'fs/xfs/xfs_iomap.c')
-rw-r--r--fs/xfs/xfs_iomap.c94
1 files changed, 48 insertions, 46 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 21ca6288051..4821b8563c4 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -53,11 +53,11 @@
void
xfs_iomap_enter_trace(
int tag,
- xfs_iocore_t *io,
+ xfs_inode_t *ip,
xfs_off_t offset,
ssize_t count)
{
- xfs_inode_t *ip = XFS_IO_INODE(io);
+ xfs_iocore_t *io = &ip->i_iocore;
if (!ip->i_rwtrace)
return;
@@ -84,15 +84,13 @@ xfs_iomap_enter_trace(
void
xfs_iomap_map_trace(
int tag,
- xfs_iocore_t *io,
+ xfs_inode_t *ip,
xfs_off_t offset,
ssize_t count,
xfs_iomap_t *iomapp,
xfs_bmbt_irec_t *imapp,
int flags)
{
- xfs_inode_t *ip = XFS_IO_INODE(io);
-
if (!ip->i_rwtrace)
return;
@@ -126,7 +124,7 @@ xfs_iomap_map_trace(
STATIC int
xfs_imap_to_bmap(
- xfs_iocore_t *io,
+ xfs_inode_t *ip,
xfs_off_t offset,
xfs_bmbt_irec_t *imap,
xfs_iomap_t *iomapp,
@@ -134,11 +132,10 @@ xfs_imap_to_bmap(
int iomaps, /* Number of iomap entries */
int flags)
{
- xfs_mount_t *mp;
+ xfs_mount_t *mp = ip->i_mount;
int pbm;
xfs_fsblock_t start_block;
- mp = io->io_mount;
for (pbm = 0; imaps && pbm < iomaps; imaps--, iomapp++, imap++, pbm++) {
iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff);
@@ -146,7 +143,7 @@ xfs_imap_to_bmap(
iomapp->iomap_bsize = XFS_FSB_TO_B(mp, imap->br_blockcount);
iomapp->iomap_flags = flags;
- if (io->io_flags & XFS_IOCORE_RT) {
+ if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME) {
iomapp->iomap_flags |= IOMAP_REALTIME;
iomapp->iomap_target = mp->m_rtdev_targp;
} else {
@@ -160,7 +157,7 @@ xfs_imap_to_bmap(
iomapp->iomap_bn = IOMAP_DADDR_NULL;
iomapp->iomap_flags |= IOMAP_DELAY;
} else {
- iomapp->iomap_bn = XFS_FSB_TO_DB_IO(io, start_block);
+ iomapp->iomap_bn = XFS_FSB_TO_DB(ip, start_block);
if (ISUNWRITTEN(imap))
iomapp->iomap_flags |= IOMAP_UNWRITTEN;
}
@@ -172,14 +169,14 @@ xfs_imap_to_bmap(
int
xfs_iomap(
- xfs_iocore_t *io,
+ xfs_inode_t *ip,
xfs_off_t offset,
ssize_t count,
int flags,
xfs_iomap_t *iomapp,
int *niomaps)
{
- xfs_mount_t *mp = io->io_mount;
+ xfs_mount_t *mp = ip->i_mount;
xfs_fileoff_t offset_fsb, end_fsb;
int error = 0;
int lockmode = 0;
@@ -188,32 +185,37 @@ xfs_iomap(
int bmapi_flags = 0;
int iomap_flags = 0;
+ ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
+ ASSERT(((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) != 0) ==
+ ((ip->i_iocore.io_flags & XFS_IOCORE_RT) != 0));
+
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
switch (flags & (BMAPI_READ | BMAPI_WRITE | BMAPI_ALLOCATE)) {
case BMAPI_READ:
- xfs_iomap_enter_trace(XFS_IOMAP_READ_ENTER, io, offset, count);
- lockmode = XFS_LCK_MAP_SHARED(mp, io);
+ xfs_iomap_enter_trace(XFS_IOMAP_READ_ENTER, ip, offset, count);
+ lockmode = xfs_ilock_map_shared(ip);
bmapi_flags = XFS_BMAPI_ENTIRE;
break;
case BMAPI_WRITE:
- xfs_iomap_enter_trace(XFS_IOMAP_WRITE_ENTER, io, offset, count);
+ xfs_iomap_enter_trace(XFS_IOMAP_WRITE_ENTER, ip, offset, count);
lockmode = XFS_ILOCK_EXCL|XFS_EXTSIZE_WR;
if (flags & BMAPI_IGNSTATE)
bmapi_flags |= XFS_BMAPI_IGSTATE|XFS_BMAPI_ENTIRE;
- XFS_ILOCK(mp, io, lockmode);
+ xfs_ilock(ip, lockmode);
break;
case BMAPI_ALLOCATE:
- xfs_iomap_enter_trace(XFS_IOMAP_ALLOC_ENTER, io, offset, count);
+ xfs_iomap_enter_trace(XFS_IOMAP_ALLOC_ENTER, ip, offset, count);
lockmode = XFS_ILOCK_SHARED|XFS_EXTSIZE_RD;
bmapi_flags = XFS_BMAPI_ENTIRE;
+
/* Attempt non-blocking lock */
if (flags & BMAPI_TRYLOCK) {
- if (!XFS_ILOCK_NOWAIT(mp, io, lockmode))
+ if (!xfs_ilock_nowait(ip, lockmode))
return XFS_ERROR(EAGAIN);
} else {
- XFS_ILOCK(mp, io, lockmode);
+ xfs_ilock(ip, lockmode);
}
break;
default:
@@ -226,7 +228,7 @@ xfs_iomap(
end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count);
offset_fsb = XFS_B_TO_FSBT(mp, offset);
- error = XFS_BMAPI(mp, NULL, io, offset_fsb,
+ error = xfs_bmapi(NULL, ip, offset_fsb,
(xfs_filblks_t)(end_fsb - offset_fsb),
bmapi_flags, NULL, 0, &imap,
&nimaps, NULL, NULL);
@@ -240,42 +242,42 @@ xfs_iomap(
if (nimaps &&
(imap.br_startblock != HOLESTARTBLOCK) &&
(imap.br_startblock != DELAYSTARTBLOCK)) {
- xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, io,
+ xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, ip,
offset, count, iomapp, &imap, flags);
break;
}
if (flags & (BMAPI_DIRECT|BMAPI_MMAP)) {
- error = XFS_IOMAP_WRITE_DIRECT(mp, io, offset,
- count, flags, &imap, &nimaps, nimaps);
+ error = xfs_iomap_write_direct(ip, offset, count, flags,
+ &imap, &nimaps, nimaps);
} else {
- error = XFS_IOMAP_WRITE_DELAY(mp, io, offset, count,
- flags, &imap, &nimaps);
+ error = xfs_iomap_write_delay(ip, offset, count, flags,
+ &imap, &nimaps);
}
if (!error) {
- xfs_iomap_map_trace(XFS_IOMAP_ALLOC_MAP, io,
+ xfs_iomap_map_trace(XFS_IOMAP_ALLOC_MAP, ip,
offset, count, iomapp, &imap, flags);
}
iomap_flags = IOMAP_NEW;
break;
case BMAPI_ALLOCATE:
/* If we found an extent, return it */
- XFS_IUNLOCK(mp, io, lockmode);
+ xfs_iunlock(ip, lockmode);
lockmode = 0;
if (nimaps && !ISNULLSTARTBLOCK(imap.br_startblock)) {
- xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, io,
+ xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, ip,
offset, count, iomapp, &imap, flags);
break;
}
- error = XFS_IOMAP_WRITE_ALLOCATE(mp, io, offset, count,
+ error = xfs_iomap_write_allocate(ip, offset, count,
&imap, &nimaps);
break;
}
if (nimaps) {
- *niomaps = xfs_imap_to_bmap(io, offset, &imap,
+ *niomaps = xfs_imap_to_bmap(ip, offset, &imap,
iomapp, nimaps, *niomaps, iomap_flags);
} else if (niomaps) {
*niomaps = 0;
@@ -283,14 +285,15 @@ xfs_iomap(
out:
if (lockmode)
- XFS_IUNLOCK(mp, io, lockmode);
+ xfs_iunlock(ip, lockmode);
return XFS_ERROR(error);
}
+
STATIC int
xfs_iomap_eof_align_last_fsb(
xfs_mount_t *mp,
- xfs_iocore_t *io,
+ xfs_inode_t *ip,
xfs_fsize_t isize,
xfs_extlen_t extsize,
xfs_fileoff_t *last_fsb)
@@ -299,7 +302,7 @@ xfs_iomap_eof_align_last_fsb(
xfs_extlen_t align;
int eof, error;
- if (io->io_flags & XFS_IOCORE_RT)
+ if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
;
/*
* If mounted with the "-o swalloc" option, roundup the allocation
@@ -330,7 +333,7 @@ xfs_iomap_eof_align_last_fsb(
}
if (new_last_fsb) {
- error = XFS_BMAP_EOF(mp, io, new_last_fsb, XFS_DATA_FORK, &eof);
+ error = xfs_bmap_eof(ip, new_last_fsb, XFS_DATA_FORK, &eof);
if (error)
return error;
if (eof)
@@ -435,7 +438,7 @@ xfs_iomap_write_direct(
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,
+ error = xfs_iomap_eof_align_last_fsb(mp, ip, isize, extsz,
&last_fsb);
if (error)
goto error_out;
@@ -502,7 +505,7 @@ xfs_iomap_write_direct(
*/
XFS_BMAP_INIT(&free_list, &firstfsb);
nimaps = 1;
- error = XFS_BMAPI(mp, tp, io, offset_fsb, count_fsb, bmapi_flag,
+ error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, bmapi_flag,
&firstfsb, 0, &imap, &nimaps, &free_list, NULL);
if (error)
goto error0;
@@ -560,7 +563,7 @@ error_out:
STATIC int
xfs_iomap_eof_want_preallocate(
xfs_mount_t *mp,
- xfs_iocore_t *io,
+ xfs_inode_t *ip,
xfs_fsize_t isize,
xfs_off_t offset,
size_t count,
@@ -587,7 +590,7 @@ xfs_iomap_eof_want_preallocate(
while (count_fsb > 0) {
imaps = nimaps;
firstblock = NULLFSBLOCK;
- error = XFS_BMAPI(mp, NULL, io, start_fsb, count_fsb, 0,
+ error = xfs_bmapi(NULL, ip, start_fsb, count_fsb, 0,
&firstblock, 0, imap, &imaps, NULL, NULL);
if (error)
return error;
@@ -644,7 +647,7 @@ retry:
if (io->io_new_size > isize)
isize = io->io_new_size;
- error = xfs_iomap_eof_want_preallocate(mp, io, isize, offset, count,
+ error = xfs_iomap_eof_want_preallocate(mp, ip, isize, offset, count,
ioflag, imap, XFS_WRITE_IMAPS, &prealloc);
if (error)
return error;
@@ -658,7 +661,7 @@ retry:
}
if (prealloc || extsz) {
- error = xfs_iomap_eof_align_last_fsb(mp, io, isize, extsz,
+ error = xfs_iomap_eof_align_last_fsb(mp, ip, isize, extsz,
&last_fsb);
if (error)
return error;
@@ -666,7 +669,7 @@ retry:
nimaps = XFS_WRITE_IMAPS;
firstblock = NULLFSBLOCK;
- error = XFS_BMAPI(mp, NULL, io, offset_fsb,
+ error = xfs_bmapi(NULL, ip, offset_fsb,
(xfs_filblks_t)(last_fsb - offset_fsb),
XFS_BMAPI_DELAY | XFS_BMAPI_WRITE |
XFS_BMAPI_ENTIRE, &firstblock, 1, imap,
@@ -680,7 +683,7 @@ retry:
*/
if (nimaps == 0) {
xfs_iomap_enter_trace(XFS_IOMAP_WRITE_NOSPACE,
- io, offset, count);
+ ip, offset, count);
if (xfs_flush_space(ip, &fsynced, &ioflag))
return XFS_ERROR(ENOSPC);
@@ -788,7 +791,7 @@ xfs_iomap_write_allocate(
}
/* Go get the actual blocks */
- error = XFS_BMAPI(mp, tp, io, map_start_fsb, count_fsb,
+ error = xfs_bmapi(tp, ip, map_start_fsb, count_fsb,
XFS_BMAPI_WRITE, &first_block, 1,
imap, &nimaps, &free_list, NULL);
if (error)
@@ -860,8 +863,7 @@ xfs_iomap_write_unwritten(
int committed;
int error;
- xfs_iomap_enter_trace(XFS_IOMAP_UNWRITTEN,
- &ip->i_iocore, offset, count);
+ xfs_iomap_enter_trace(XFS_IOMAP_UNWRITTEN, ip, offset, count);
offset_fsb = XFS_B_TO_FSBT(mp, offset);
count_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count);
@@ -895,7 +897,7 @@ xfs_iomap_write_unwritten(
*/
XFS_BMAP_INIT(&free_list, &firstfsb);
nimaps = 1;
- error = XFS_BMAPI(mp, tp, io, offset_fsb, count_fsb,
+ error = xfs_bmapi(tp, ip, offset_fsb, count_fsb,
XFS_BMAPI_WRITE|XFS_BMAPI_CONVERT, &firstfsb,
1, &imap, &nimaps, &free_list, NULL);
if (error)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 22:15:34 +0000