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[XFS] Add parameters to xfs_bmapi() and xfs_bunmapi() to have them report

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the range spanned by modifications to the in-core extent map.  Add
XFS_BUNMAPI() and XFS_SWAP_EXTENTS() macros that call xfs_bunmapi() and
xfs_swap_extents() via the ioops vector. Change all calls that may modify
the in-core extent map for the data fork to go through the ioops vector. 
This allows a cache of extent map data to be kept in sync.

SGI-PV: 947615
SGI-Modid: xfs-linux-melb:xfs-kern:209226a

Signed-off-by: Olaf Weber <olaf@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Olaf Weber
2006-06-09 14:48:12 +10:00
committed by Nathan Scott
parent 128e6ced24
commit 3e57ecf640
19 changed files with 437 additions and 166 deletions
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9
fs/xfs/xfs_da_btree.c
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@@ -1655,7 +1655,7 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno)
XFS_BMAPI_AFLAG(w)|XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|
XFS_BMAPI_CONTIG,
args->firstblock, args->total, &map, &nmap,
args->flist))) {
args->flist, NULL))) {
return error;
}
ASSERT(nmap <= 1);
@@ -1676,7 +1676,8 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno)
XFS_BMAPI_AFLAG(w)|XFS_BMAPI_WRITE|
XFS_BMAPI_METADATA,
args->firstblock, args->total,
&mapp[mapi], &nmap, args->flist))) {
&mapp[mapi], &nmap, args->flist,
NULL))) {
kmem_free(mapp, sizeof(*mapp) * count);
return error;
}
@@ -1961,7 +1962,7 @@ xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno,
*/
if ((error = xfs_bunmapi(tp, dp, dead_blkno, count,
XFS_BMAPI_AFLAG(w)|XFS_BMAPI_METADATA,
0, args->firstblock, args->flist,
0, args->firstblock, args->flist, NULL,
&done)) == ENOSPC) {
if (w != XFS_DATA_FORK)
goto done;
@@ -2086,7 +2087,7 @@ xfs_da_do_buf(
nfsb,
XFS_BMAPI_METADATA |
XFS_BMAPI_AFLAG(whichfork),
NULL, 0, mapp, &nmap, NULL)))
NULL, 0, mapp, &nmap, NULL, NULL)))
goto exit0;
}
} else {