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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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4
fs/xfs/linux-2.6/xfs_lrw.c
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@@ -458,7 +458,7 @@ xfs_zero_last_block(
last_fsb = XFS_B_TO_FSBT(mp, isize);
nimaps = 1;
error = XFS_BMAPI(mp, NULL, io, last_fsb, 1, 0, NULL, 0, &imap,
&nimaps, NULL);
&nimaps, NULL, NULL);
if (error) {
return error;
}
@@ -556,7 +556,7 @@ xfs_zero_eof(
nimaps = 1;
zero_count_fsb = end_zero_fsb - start_zero_fsb + 1;
error = XFS_BMAPI(mp, NULL, io, start_zero_fsb, zero_count_fsb,
0, NULL, 0, &imap, &nimaps, NULL);
0, NULL, 0, &imap, &nimaps, NULL, NULL);
if (error) {
ASSERT(ismrlocked(io->io_lock, MR_UPDATE));
ASSERT(ismrlocked(io->io_iolock, MR_UPDATE));

2
fs/xfs/linux-2.6/xfs_lrw.h
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@@ -49,7 +49,7 @@ struct xfs_iomap;
#define XFS_CTRUNC4 14
#define XFS_CTRUNC5 15
#define XFS_CTRUNC6 16
#define XFS_BUNMAPI 17
#define XFS_BUNMAP 17
#define XFS_INVAL_CACHED 18
#define XFS_DIORD_ENTER 19
#define XFS_DIOWR_ENTER 20