lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[XFS] Rework DMAPI bulkstat calls in such a way that we can directly

Browse Source 
extract inline attributes out of the bulkstat buffer (for that case),
rather than using an (extremely expensive for large icount filesystems)
iget for fetching attrs.

SGI-PV: 944409
SGI-Modid: xfs-linux-melb:xfs-kern:26602a

Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Nathan Scott
2006-09-28 11:01:46 +10:00
committed by Tim Shimmin
parent 726801ba06
commit 8b56f083c2
2 changed files with 61 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
fs/xfs/xfs_itable.h
View File

@@ -36,15 +36,16 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp,
/*
* Values for stat return value.
*/
#define BULKSTAT_RV_NOTHING 0
#define BULKSTAT_RV_DIDONE 1
#define BULKSTAT_RV_GIVEUP 2
#define BULKSTAT_RV_NOTHING 0
#define BULKSTAT_RV_DIDONE 1
#define BULKSTAT_RV_GIVEUP 2
/*
* Values for bulkstat flag argument.
*/
#define BULKSTAT_FG_IGET 0x1 /* Go through the buffer cache */
#define BULKSTAT_FG_QUICK 0x2 /* No iget, walk the dinode cluster */
#define BULKSTAT_FG_IGET 0x1 /* Go through the buffer cache */
#define BULKSTAT_FG_QUICK 0x2 /* No iget, walk the dinode cluster */
#define BULKSTAT_FG_INLINE 0x4 /* No iget if inline attrs */
/*
* Return stat information in bulk (by-inode) for the filesystem.