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[XFS] move v_iocount from bhv_vnode to xfs_inode

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struct bhv_vnode is on it's way out, so move the I/O count to the XFS
inode.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29497a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-08-29 11:46:28 +10:00
committed by Tim Shimmin
parent 09262b4339
commit b677c210ce
8 changed files with 44 additions and 34 deletions
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29
fs/xfs/linux-2.6/xfs_vnode.c
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@@ -20,6 +20,17 @@
#include "xfs_bmap_btree.h"
#include "xfs_inode.h"
/*
* And this gunk is needed for xfs_mount.h"
*/
#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_dmapi.h"
#include "xfs_inum.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
uint64_t vn_generation; /* vnode generation number */
DEFINE_SPINLOCK(vnumber_lock);
@@ -42,19 +53,19 @@ vn_init(void)
void
vn_iowait(
bhv_vnode_t *vp)
xfs_inode_t *ip)
{
wait_queue_head_t *wq = vptosync(vp);
wait_queue_head_t *wq = vptosync(ip);
wait_event(*wq, (atomic_read(&vp->v_iocount) == 0));
wait_event(*wq, (atomic_read(&ip->i_iocount) == 0));
}
void
vn_iowake(
bhv_vnode_t *vp)
xfs_inode_t *ip)
{
if (atomic_dec_and_test(&vp->v_iocount))
wake_up(vptosync(vp));
if (atomic_dec_and_test(&ip->i_iocount))
wake_up(vptosync(ip));
}
/*
@@ -64,12 +75,12 @@ vn_iowake(
*/
void
vn_ioerror(
bhv_vnode_t *vp,
xfs_inode_t *ip,
int error,
char *f,
int l)
{
bhv_vfs_t *vfsp = vfs_from_sb(vp->v_inode.i_sb);
bhv_vfs_t *vfsp = XFS_MTOVFS(ip->i_mount);
if (unlikely(error == -ENODEV))
bhv_vfs_force_shutdown(vfsp, SHUTDOWN_DEVICE_REQ, f, l);
@@ -92,8 +103,6 @@ vn_initialize(
ASSERT(VN_CACHED(vp) == 0);
atomic_set(&vp->v_iocount, 0);
#ifdef XFS_VNODE_TRACE
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */