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Merge branch 'for_linus' of git://git.linux-nfs.org/pub/linux/nfs-2.6

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This commit is contained in:
Linus Torvalds 2007-09-04 00:45:54 -07:00
commit b1330031b7
6 changed files with 59 additions and 14 deletions
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2
fs/nfs/file.c
View file

@ -316,7 +316,7 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset)
if (offset != 0)
return;
/* Cancel any unstarted writes on this page */
nfs_wb_page_priority(page->mapping->host, page, FLUSH_INVALIDATE);
nfs_wb_page_cancel(page->mapping->host, page);
}
static int nfs_release_page(struct page *page, gfp_t gfp)

2
fs/nfs/namespace.c
View file

@ -176,7 +176,7 @@ static void nfs_expire_automounts(struct work_struct *work)
void nfs_release_automount_timer(void)
{
if (list_empty(&nfs_automount_list))
cancel_delayed_work_sync(&nfs_automount_task);
cancel_delayed_work(&nfs_automount_task);
}
/*

4
fs/nfs/nfs4proc.c
View file

@ -646,7 +646,7 @@ static int _nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state
rcu_read_lock();
delegation = rcu_dereference(NFS_I(state->inode)->delegation);
if (delegation != NULL && (delegation->flags & NFS_DELEGATION_NEED_RECLAIM) != 0)
delegation_type = delegation->flags;
delegation_type = delegation->type;
rcu_read_unlock();
opendata->o_arg.u.delegation_type = delegation_type;
status = nfs4_open_recover(opendata, state);
@ -1434,7 +1434,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
}
res = d_add_unique(dentry, igrab(state->inode));
if (res != NULL)
dentry = res;
path.dentry = res;
nfs4_intent_set_file(nd, &path, state);
return res;
}

20
fs/nfs/super.c
View file

@ -911,13 +911,13 @@ static int nfs_parse_mount_options(char *raw,
kfree(string);
switch (token) {
case Opt_udp:
case Opt_xprt_udp:
mnt->flags &= ~NFS_MOUNT_TCP;
mnt->nfs_server.protocol = IPPROTO_UDP;
mnt->timeo = 7;
mnt->retrans = 5;
break;
case Opt_tcp:
case Opt_xprt_tcp:
mnt->flags |= NFS_MOUNT_TCP;
mnt->nfs_server.protocol = IPPROTO_TCP;
mnt->timeo = 600;
@ -936,10 +936,10 @@ static int nfs_parse_mount_options(char *raw,
kfree(string);
switch (token) {
case Opt_udp:
case Opt_xprt_udp:
mnt->mount_server.protocol = IPPROTO_UDP;
break;
case Opt_tcp:
case Opt_xprt_tcp:
mnt->mount_server.protocol = IPPROTO_TCP;
break;
default:
@ -1153,20 +1153,20 @@ static int nfs_validate_mount_data(struct nfs_mount_data **options,
c = strchr(dev_name, ':');
if (c == NULL)
return -EINVAL;
len = c - dev_name - 1;
len = c - dev_name;
if (len > sizeof(data->hostname))
return -EINVAL;
return -ENAMETOOLONG;
strncpy(data->hostname, dev_name, len);
args.nfs_server.hostname = data->hostname;
c++;
if (strlen(c) > NFS_MAXPATHLEN)
return -EINVAL;
return -ENAMETOOLONG;
args.nfs_server.export_path = c;
status = nfs_try_mount(&args, mntfh);
if (status)
return -EINVAL;
return status;
/*
* Translate to nfs_mount_data, which nfs_fill_super
@ -1677,7 +1677,7 @@ static int nfs4_validate_mount_data(struct nfs4_mount_data **options,
/* while calculating len, pretend ':' is '\0' */
len = c - dev_name;
if (len > NFS4_MAXNAMLEN)
return -EINVAL;
return -ENAMETOOLONG;
*hostname = kzalloc(len, GFP_KERNEL);
if (*hostname == NULL)
return -ENOMEM;
@ -1686,7 +1686,7 @@ static int nfs4_validate_mount_data(struct nfs4_mount_data **options,
c++; /* step over the ':' */
len = strlen(c);
if (len > NFS4_MAXPATHLEN)
return -EINVAL;
return -ENAMETOOLONG;
*mntpath = kzalloc(len + 1, GFP_KERNEL);
if (*mntpath == NULL)
return -ENOMEM;

44
fs/nfs/write.c
View file

@ -1396,6 +1396,50 @@ out:
return ret;
}
int nfs_wb_page_cancel(struct inode *inode, struct page *page)
{
struct nfs_page *req;
loff_t range_start = page_offset(page);
loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1);
struct writeback_control wbc = {
.bdi = page->mapping->backing_dev_info,
.sync_mode = WB_SYNC_ALL,
.nr_to_write = LONG_MAX,
.range_start = range_start,
.range_end = range_end,
};
int ret = 0;
BUG_ON(!PageLocked(page));
for (;;) {
req = nfs_page_find_request(page);
if (req == NULL)
goto out;
if (test_bit(PG_NEED_COMMIT, &req->wb_flags)) {
nfs_release_request(req);
break;
}
if (nfs_lock_request_dontget(req)) {
nfs_inode_remove_request(req);
/*
* In case nfs_inode_remove_request has marked the
* page as being dirty
*/
cancel_dirty_page(page, PAGE_CACHE_SIZE);
nfs_unlock_request(req);
break;
}
ret = nfs_wait_on_request(req);
if (ret < 0)
goto out;
}
if (!PagePrivate(page))
return 0;
ret = nfs_sync_mapping_wait(page->mapping, &wbc, FLUSH_INVALIDATE);
out:
return ret;
}
int nfs_wb_page_priority(struct inode *inode, struct page *page, int how)
{
loff_t range_start = page_offset(page);

1
include/linux/nfs_fs.h
View file

@ -431,6 +431,7 @@ extern int nfs_sync_mapping_range(struct address_space *, loff_t, loff_t, int);
extern int nfs_wb_all(struct inode *inode);
extern int nfs_wb_page(struct inode *inode, struct page* page);
extern int nfs_wb_page_priority(struct inode *inode, struct page* page, int how);
extern int nfs_wb_page_cancel(struct inode *inode, struct page* page);
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
extern int nfs_commit_inode(struct inode *, int);
extern struct nfs_write_data *nfs_commit_alloc(void);