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authorPeng Tao <bergwolf@gmail.com>2011-07-30 20:52:31 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-04 21:58:37 -0700
commita14f191cda33a02a74edbf59820150e415d68616 (patch)
tree0b5fc1cc18d7110070f8fec5cf9716a6647d849f /fs/nfs/pnfs.c
parentcb1d0a1e91079d22cedc6d66d9c94d53ce0b0199 (diff)
pnfs: save layoutcommit lwb at layout header
commit acff5880539fe33897d016c0f3dcf062e67c61b6 upstream. No need to save it for every lseg. [Needed in v3.0] Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 29c0ca7fc347..fb1bcf1663a0 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1224,9 +1224,11 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata)
dprintk("%s: Set layoutcommit for inode %lu ",
__func__, wdata->inode->i_ino);
}
- if (end_pos > wdata->lseg->pls_end_pos)
- wdata->lseg->pls_end_pos = end_pos;
+ if (end_pos > nfsi->layout->plh_lwb)
+ nfsi->layout->plh_lwb = end_pos;
spin_unlock(&nfsi->vfs_inode.i_lock);
+ dprintk("%s: lseg %p end_pos %llu\n",
+ __func__, wdata->lseg, nfsi->layout->plh_lwb);
/* if pnfs_layoutcommit_inode() runs between inode locks, the next one
* will be a noop because NFS_INO_LAYOUTCOMMIT will not be set */
@@ -1278,9 +1280,9 @@ pnfs_layoutcommit_inode(struct inode *inode, bool sync)
*/
lseg = pnfs_list_write_lseg(inode);
- end_pos = lseg->pls_end_pos;
+ end_pos = nfsi->layout->plh_lwb;
cred = lseg->pls_lc_cred;
- lseg->pls_end_pos = 0;
+ nfsi->layout->plh_lwb = 0;
lseg->pls_lc_cred = NULL;
memcpy(&data->args.stateid.data, nfsi->layout->plh_stateid.data,