From: Christoph Hellwig <hch@lst.de>
To: xfs@oss.sgi.com
Subject: [PATCH 5/17] move v_iocount from bhv_vnode to xfs_inode
Date: Thu, 23 Aug 2007 21:38:18 +0200 [thread overview]
Message-ID: <20070823193818.GF8050@lst.de> (raw)
struct bhv_vnode is on it's way out, so move the I/O count to the XFS inode.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_aops.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_aops.c 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_aops.c 2007-08-23 14:51:38.000000000 +0200
@@ -140,9 +140,11 @@ xfs_destroy_ioend(
next = bh->b_private;
bh->b_end_io(bh, !ioend->io_error);
}
- if (unlikely(ioend->io_error))
- vn_ioerror(ioend->io_vnode, ioend->io_error, __FILE__,__LINE__);
- vn_iowake(ioend->io_vnode);
+ if (unlikely(ioend->io_error)) {
+ vn_ioerror(XFS_I(ioend->io_inode), ioend->io_error,
+ __FILE__,__LINE__);
+ }
+ vn_iowake(XFS_I(ioend->io_inode));
mempool_free(ioend, xfs_ioend_pool);
}
@@ -157,14 +159,10 @@ STATIC void
xfs_setfilesize(
xfs_ioend_t *ioend)
{
- xfs_inode_t *ip;
+ xfs_inode_t *ip = XFS_I(ioend->io_inode);
xfs_fsize_t isize;
xfs_fsize_t bsize;
- ip = xfs_vtoi(ioend->io_vnode);
- if (!ip)
- return;
-
ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
ASSERT(ioend->io_type != IOMAP_READ);
@@ -227,12 +225,11 @@ xfs_end_bio_unwritten(
{
xfs_ioend_t *ioend =
container_of(work, xfs_ioend_t, io_work);
- bhv_vnode_t *vp = ioend->io_vnode;
xfs_off_t offset = ioend->io_offset;
size_t size = ioend->io_size;
if (likely(!ioend->io_error)) {
- xfs_bmap(xfs_vtoi(vp), offset, size,
+ xfs_bmap(XFS_I(ioend->io_inode), offset, size,
BMAPI_UNWRITTEN, NULL, NULL);
xfs_setfilesize(ioend);
}
@@ -276,10 +273,10 @@ xfs_alloc_ioend(
ioend->io_error = 0;
ioend->io_list = NULL;
ioend->io_type = type;
- ioend->io_vnode = vn_from_inode(inode);
+ ioend->io_inode = inode;
ioend->io_buffer_head = NULL;
ioend->io_buffer_tail = NULL;
- atomic_inc(&ioend->io_vnode->v_iocount);
+ atomic_inc(&XFS_I(ioend->io_inode)->i_iocount);
ioend->io_offset = 0;
ioend->io_size = 0;
@@ -505,7 +502,7 @@ xfs_cancel_ioend(
unlock_buffer(bh);
} while ((bh = next_bh) != NULL);
- vn_iowake(ioend->io_vnode);
+ vn_iowake(XFS_I(ioend->io_inode));
mempool_free(ioend, xfs_ioend_pool);
} while ((ioend = next) != NULL);
}
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_aops.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_aops.h 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_aops.h 2007-08-23 14:50:38.000000000 +0200
@@ -32,7 +32,7 @@ typedef struct xfs_ioend {
unsigned int io_type; /* delalloc / unwritten */
int io_error; /* I/O error code */
atomic_t io_remaining; /* hold count */
- struct bhv_vnode *io_vnode; /* file being written to */
+ struct inode *io_inode; /* file being written to */
struct buffer_head *io_buffer_head;/* buffer linked list head */
struct buffer_head *io_buffer_tail;/* buffer linked list tail */
size_t io_size; /* size of the extent */
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_vnode.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_vnode.c 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_vnode.c 2007-08-23 14:53:07.000000000 +0200
@@ -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 */
Index: linux-2.6-xfs/fs/xfs/xfs_inode.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_inode.c 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/xfs_inode.c 2007-08-23 14:51:38.000000000 +0200
@@ -864,6 +864,7 @@ xfs_iread(
ip = kmem_zone_zalloc(xfs_inode_zone, KM_SLEEP);
ip->i_ino = ino;
ip->i_mount = mp;
+ atomic_set(&ip->i_iocount, 0);
spin_lock_init(&ip->i_flags_lock);
/*
@@ -1455,7 +1456,7 @@ xfs_itruncate_start(
mp = ip->i_mount;
vp = XFS_ITOV(ip);
- vn_iowait(vp); /* wait for the completion of any pending DIOs */
+ vn_iowait(ip); /* wait for the completion of any pending DIOs */
/*
* Call toss_pages or flushinval_pages to get rid of pages
Index: linux-2.6-xfs/fs/xfs/xfs_vfsops.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_vfsops.c 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/xfs_vfsops.c 2007-08-23 14:50:38.000000000 +0200
@@ -1209,7 +1209,7 @@ xfs_sync_inodes(
* place after this point
*/
if (flags & SYNC_IOWAIT)
- vn_iowait(vp);
+ vn_iowait(ip);
xfs_ilock(ip, XFS_ILOCK_SHARED);
}
Index: linux-2.6-xfs/fs/xfs/xfs_vnodeops.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_vnodeops.c 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/xfs_vnodeops.c 2007-08-23 14:51:38.000000000 +0200
@@ -598,7 +598,7 @@ xfs_setattr(
}
/* wait for all I/O to complete */
- vn_iowait(vp);
+ vn_iowait(ip);
if (!code)
code = xfs_itruncate_data(ip, vap->va_size);
@@ -3684,7 +3684,7 @@ xfs_reclaim(
return 0;
}
- vn_iowait(vp);
+ vn_iowait(ip);
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
@@ -4190,7 +4190,7 @@ xfs_free_file_space(
need_iolock = 0;
if (need_iolock) {
xfs_ilock(ip, XFS_IOLOCK_EXCL);
- vn_iowait(vp); /* wait for the completion of any pending DIOs */
+ vn_iowait(ip); /* wait for the completion of any pending DIOs */
}
rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, NBPP);
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_vnode.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_vnode.h 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_vnode.h 2007-08-23 14:51:37.000000000 +0200
@@ -29,7 +29,6 @@ typedef __u64 bhv_vnumber_t;
typedef struct bhv_vnode {
bhv_vnumber_t v_number; /* in-core vnode number */
- atomic_t v_iocount; /* outstanding I/O count */
#ifdef XFS_VNODE_TRACE
struct ktrace *v_trace; /* trace header structure */
#endif
@@ -202,10 +201,13 @@ extern int vn_revalidate(struct bhv_vnod
extern int __vn_revalidate(struct bhv_vnode *, bhv_vattr_t *);
extern void vn_revalidate_core(struct bhv_vnode *, bhv_vattr_t *);
-extern void vn_iowait(struct bhv_vnode *vp);
-extern void vn_iowake(struct bhv_vnode *vp);
-
-extern void vn_ioerror(struct bhv_vnode *vp, int error, char *f, int l);
+/*
+ * Yeah, these don't take vnode anymore at all, all this should be
+ * cleaned up at some point.
+ */
+extern void vn_iowait(struct xfs_inode *ip);
+extern void vn_iowake(struct xfs_inode *ip);
+extern void vn_ioerror(struct xfs_inode *ip, int error, char *f, int l);
static inline int vn_count(struct bhv_vnode *vp)
{
Index: linux-2.6-xfs/fs/xfs/xfs_inode.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_inode.h 2007-08-23 14:46:18.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/xfs_inode.h 2007-08-23 14:51:38.000000000 +0200
@@ -300,6 +300,7 @@ typedef struct xfs_inode {
struct xfs_inode *i_cprev; /* cluster link backward */
xfs_fsize_t i_size; /* in-memory size */
+ atomic_t i_iocount; /* outstanding I/O count */
/* Trace buffers per inode. */
#ifdef XFS_BMAP_TRACE
struct ktrace *i_xtrace; /* inode extent list trace */
next reply other threads:[~2007-08-23 19:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-23 19:38 Christoph Hellwig [this message]
2007-08-23 19:47 ` [PATCH 5/17] move v_iocount from bhv_vnode to xfs_inode Josef Sipek
2007-08-23 23:56 ` David Chinner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070823193818.GF8050@lst.de \
--to=hch@lst.de \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.