diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/cache_lib.c | 1 | ||||
-rw-r--r-- | fs/nfs/callback_proc.c | 1 | ||||
-rw-r--r-- | fs/nfs/callback_xdr.c | 2 | ||||
-rw-r--r-- | fs/nfs/client.c | 4 | ||||
-rw-r--r-- | fs/nfs/delegation.c | 1 | ||||
-rw-r--r-- | fs/nfs/delegation.h | 6 | ||||
-rw-r--r-- | fs/nfs/dir.c | 4 | ||||
-rw-r--r-- | fs/nfs/direct.c | 1 | ||||
-rw-r--r-- | fs/nfs/dns_resolve.c | 1 | ||||
-rw-r--r-- | fs/nfs/file.c | 5 | ||||
-rw-r--r-- | fs/nfs/fscache.c | 1 | ||||
-rw-r--r-- | fs/nfs/inode.c | 11 | ||||
-rw-r--r-- | fs/nfs/namespace.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs2xdr.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs3acl.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs3proc.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs3xdr.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs4namespace.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 9 | ||||
-rw-r--r-- | fs/nfs/nfs4xdr.c | 3 | ||||
-rw-r--r-- | fs/nfs/pagelist.c | 23 | ||||
-rw-r--r-- | fs/nfs/proc.c | 1 | ||||
-rw-r--r-- | fs/nfs/super.c | 26 | ||||
-rw-r--r-- | fs/nfs/symlink.c | 1 | ||||
-rw-r--r-- | fs/nfs/write.c | 44 |
25 files changed, 102 insertions, 49 deletions
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c index b4ffd0146ea..84690319e62 100644 --- a/fs/nfs/cache_lib.c +++ b/fs/nfs/cache_lib.c @@ -10,6 +10,7 @@ #include <linux/moduleparam.h> #include <linux/mount.h> #include <linux/namei.h> +#include <linux/slab.h> #include <linux/sunrpc/cache.h> #include <linux/sunrpc/rpc_pipe_fs.h> diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 84761b5bb8e..a08770a7e85 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -7,6 +7,7 @@ */ #include <linux/nfs4.h> #include <linux/nfs_fs.h> +#include <linux/slab.h> #include "nfs4_fs.h" #include "callback.h" #include "delegation.h" diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index db30c0b398b..05af212f0ed 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -9,6 +9,7 @@ #include <linux/sunrpc/svc.h> #include <linux/nfs4.h> #include <linux/nfs_fs.h> +#include <linux/slab.h> #include "nfs4_fs.h" #include "callback.h" @@ -782,6 +783,7 @@ struct svc_version nfs4_callback_version1 = { .vs_proc = nfs4_callback_procedures1, .vs_xdrsize = NFS4_CALLBACK_XDRSIZE, .vs_dispatch = NULL, + .vs_hidden = 1, }; struct svc_version nfs4_callback_version4 = { diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 2274f173733..a8766c4ef2e 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -35,6 +35,7 @@ #include <linux/vfs.h> #include <linux/inet.h> #include <linux/in6.h> +#include <linux/slab.h> #include <net/ipv6.h> #include <linux/nfs_xdr.h> #include <linux/sunrpc/bc_xprt.h> @@ -1293,7 +1294,8 @@ static int nfs4_init_server(struct nfs_server *server, /* Initialise the client representation from the mount data */ server->flags = data->flags; - server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR; + server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR| + NFS_CAP_POSIX_LOCK; server->options = data->options; /* Get a client record */ diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 2563bebc4c6..15671245c6e 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -10,6 +10,7 @@ #include <linux/kthread.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/smp_lock.h> #include <linux/spinlock.h> diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 944b627ec6e..69e7b814012 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -71,4 +71,10 @@ static inline int nfs_inode_return_delegation(struct inode *inode) } #endif +static inline int nfs_have_delegated_attributes(struct inode *inode) +{ + return nfs_have_delegation(inode, FMODE_READ) && + !(NFS_I(inode)->cache_validity & NFS_INO_REVAL_FORCED); +} + #endif diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index a1f6b4438fb..be46f26c9a5 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1025,12 +1025,12 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry res = NULL; goto out; /* This turned out not to be a regular file */ + case -EISDIR: case -ENOTDIR: goto no_open; case -ELOOP: if (!(nd->intent.open.flags & O_NOFOLLOW)) goto no_open; - /* case -EISDIR: */ /* case -EINVAL: */ default: goto out; @@ -1789,7 +1789,7 @@ static int nfs_access_get_cached(struct inode *inode, struct rpc_cred *cred, str cache = nfs_access_search_rbtree(inode, cred); if (cache == NULL) goto out; - if (!nfs_have_delegation(inode, FMODE_READ) && + if (!nfs_have_delegated_attributes(inode) && !time_in_range_open(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo)) goto out_stale; res->jiffies = cache->jiffies; diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 0d289823e85..ad4cd31d605 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -44,6 +44,7 @@ #include <linux/file.h> #include <linux/pagemap.h> #include <linux/kref.h> +#include <linux/slab.h> #include <linux/nfs_fs.h> #include <linux/nfs_page.h> diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c index 3f0cd4dfdda..76fd235d002 100644 --- a/fs/nfs/dns_resolve.c +++ b/fs/nfs/dns_resolve.c @@ -9,6 +9,7 @@ #include <linux/hash.h> #include <linux/string.h> #include <linux/kmod.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/socket.h> #include <linux/seq_file.h> diff --git a/fs/nfs/file.c b/fs/nfs/file.c index ae8d02294e4..8d965bddb87 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -24,9 +24,9 @@ #include <linux/nfs_fs.h> #include <linux/nfs_mount.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/pagemap.h> #include <linux/aio.h> +#include <linux/gfp.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -491,7 +491,8 @@ static int nfs_release_page(struct page *page, gfp_t gfp) { dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page); - if (gfp & __GFP_WAIT) + /* Only do I/O if gfp is a superset of GFP_KERNEL */ + if ((gfp & GFP_KERNEL) == GFP_KERNEL) nfs_wb_page(page->mapping->host, page); /* If PagePrivate() is set, then the page is not freeable */ if (PagePrivate(page)) diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index 237874f1af2..a6b16ed9322 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -17,6 +17,7 @@ #include <linux/nfs_fs_sb.h> #include <linux/in6.h> #include <linux/seq_file.h> +#include <linux/slab.h> #include "internal.h" #include "iostat.h" diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 657201acda8..50a56edca0b 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -36,6 +36,7 @@ #include <linux/vfs.h> #include <linux/inet.h> #include <linux/nfs_xdr.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -622,10 +623,10 @@ struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_c list_for_each_entry(pos, &nfsi->open_files, list) { if (cred != NULL && pos->cred != cred) continue; - if ((pos->mode & mode) == mode) { - ctx = get_nfs_open_context(pos); - break; - } + if ((pos->mode & (FMODE_READ|FMODE_WRITE)) != mode) + continue; + ctx = get_nfs_open_context(pos); + break; } spin_unlock(&inode->i_lock); return ctx; @@ -729,7 +730,7 @@ int nfs_attribute_timeout(struct inode *inode) { struct nfs_inode *nfsi = NFS_I(inode); - if (nfs_have_delegation(inode, FMODE_READ)) + if (nfs_have_delegated_attributes(inode)) return 0; return !time_in_range_open(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo); } diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 40c76678289..7888cf36022 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -8,6 +8,7 @@ */ #include <linux/dcache.h> +#include <linux/gfp.h> #include <linux/mount.h> #include <linux/namei.h> #include <linux/nfs_fs.h> diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index 7bc2da8efd4..81cf1425791 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -12,7 +12,6 @@ #include <linux/param.h> #include <linux/time.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/in.h> diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index bac60515a4b..d150ae0c5ec 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -1,4 +1,5 @@ #include <linux/fs.h> +#include <linux/gfp.h> #include <linux/nfs.h> #include <linux/nfs3.h> #include <linux/nfs_fs.h> diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 24992f0a29f..e701002694e 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/sunrpc/clnt.h> +#include <linux/slab.h> #include <linux/nfs.h> #include <linux/nfs3.h> #include <linux/nfs_fs.h> diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 5fe5492fbd2..56a86f6ac8b 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -9,7 +9,6 @@ #include <linux/param.h> #include <linux/time.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/in.h> diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c index fa3408f2011..f071d12c613 100644 --- a/fs/nfs/nfs4namespace.c +++ b/fs/nfs/nfs4namespace.c @@ -11,6 +11,7 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/nfs_fs.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/sunrpc/clnt.h> #include <linux/vfs.h> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index eda74c42d55..638067007c6 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -39,6 +39,7 @@ #include <linux/delay.h> #include <linux/errno.h> #include <linux/string.h> +#include <linux/slab.h> #include <linux/sunrpc/clnt.h> #include <linux/nfs.h> #include <linux/nfs4.h> @@ -1522,6 +1523,8 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) nfs_post_op_update_inode(dir, o_res->dir_attr); } else nfs_refresh_inode(dir, o_res->dir_attr); + if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0) + server->caps &= ~NFS_CAP_POSIX_LOCK; if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) { status = _nfs4_proc_open_confirm(data); if (status != 0) @@ -1663,7 +1666,7 @@ static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, in status = PTR_ERR(state); if (IS_ERR(state)) goto err_opendata_put; - if ((opendata->o_res.rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) != 0) + if (server->caps & NFS_CAP_POSIX_LOCK) set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); nfs4_opendata_put(opendata); nfs4_put_state_owner(sp); @@ -2067,8 +2070,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st case -EDQUOT: case -ENOSPC: case -EROFS: - lookup_instantiate_filp(nd, (struct dentry *)state, NULL); - return 1; + return PTR_ERR(state); default: goto out_drop; } @@ -5107,6 +5109,7 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp, res = kzalloc(sizeof(*res), GFP_KERNEL); if (!args || !res) { kfree(args); + kfree(res); nfs_put_client(clp); return -ENOMEM; } diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 4d338be492c..38f3b582e7c 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -38,7 +38,6 @@ #include <linux/param.h> #include <linux/time.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/in.h> @@ -5552,6 +5551,8 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nf if (status != 0) goto out; status = decode_delegreturn(&xdr); + if (status != 0) + goto out; decode_getfattr(&xdr, res->fattr, res->server, !RPC_IS_ASYNC(rqstp->rq_task)); out: diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index a12c45b65dd..29d9d36cd5f 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -112,12 +112,10 @@ void nfs_unlock_request(struct nfs_page *req) */ int nfs_set_page_tag_locked(struct nfs_page *req) { - struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode); - if (!nfs_lock_request_dontget(req)) return 0; if (req->wb_page != NULL) - radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); + radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); return 1; } @@ -126,10 +124,10 @@ int nfs_set_page_tag_locked(struct nfs_page *req) */ void nfs_clear_page_tag_locked(struct nfs_page *req) { - struct inode *inode = req->wb_context->path.dentry->d_inode; - struct nfs_inode *nfsi = NFS_I(inode); - if (req->wb_page != NULL) { + struct inode *inode = req->wb_context->path.dentry->d_inode; + struct nfs_inode *nfsi = NFS_I(inode); + spin_lock(&inode->i_lock); radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); nfs_unlock_request(req); @@ -142,16 +140,22 @@ void nfs_clear_page_tag_locked(struct nfs_page *req) * nfs_clear_request - Free up all resources allocated to the request * @req: * - * Release page resources associated with a write request after it - * has completed. + * Release page and open context resources associated with a read/write + * request after it has completed. */ void nfs_clear_request(struct nfs_page *req) { struct page *page = req->wb_page; + struct nfs_open_context *ctx = req->wb_context; + if (page != NULL) { page_cache_release(page); req->wb_page = NULL; } + if (ctx != NULL) { + put_nfs_open_context(ctx); + req->wb_context = NULL; + } } @@ -165,9 +169,8 @@ static void nfs_free_request(struct kref *kref) { struct nfs_page *req = container_of(kref, struct nfs_page, wb_kref); - /* Release struct file or cached credential */ + /* Release struct file and open context */ nfs_clear_request(req); - put_nfs_open_context(req->wb_context); nfs_page_free(req); } diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index c752d944fe9..0288be80444 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -29,7 +29,6 @@ #include <linux/types.h> #include <linux/param.h> -#include <linux/slab.h> #include <linux/time.h> #include <linux/mm.h> #include <linux/errno.h> diff --git a/fs/nfs/super.c b/fs/nfs/super.c index f1afee4eea7..e01637240ee 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -48,6 +48,7 @@ #include <linux/vfs.h> #include <linux/inet.h> #include <linux/in6.h> +#include <linux/slab.h> #include <net/ipv6.h> #include <linux/netdevice.h> #include <linux/nfs_xdr.h> @@ -2214,7 +2215,7 @@ static int nfs_get_sb(struct file_system_type *fs_type, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2256,6 +2257,9 @@ out_err_nosb: error_splat_root: dput(mntroot); error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); goto out; } @@ -2326,7 +2330,7 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2363,6 +2367,9 @@ out_err_noserver: return error; error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs_xdev_get_sb() = %d [splat]\n", error); return error; @@ -2578,7 +2585,7 @@ static int nfs4_remote_get_sb(struct file_system_type *fs_type, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2616,6 +2623,9 @@ out_free: error_splat_root: dput(mntroot); error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); goto out; } @@ -2811,7 +2821,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2847,6 +2857,9 @@ out_err_noserver: return error; error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs4_xdev_get_sb() = %d [splat]\n", error); return error; @@ -2893,7 +2906,7 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type, } else { error = nfs_bdi_register(server); if (error) - goto error_splat_super; + goto error_splat_bdi; } if (!s->s_root) { @@ -2929,6 +2942,9 @@ out_err_noserver: return error; error_splat_super: + if (server && !s->s_root) + bdi_unregister(&server->backing_dev_info); +error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs4_referral_get_sb() = %d [splat]\n", error); return error; diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c index 2ea9e5c27e5..05c9e02f415 100644 --- a/fs/nfs/symlink.c +++ b/fs/nfs/symlink.c @@ -19,7 +19,6 @@ #include <linux/pagemap.h> #include <linux/stat.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/string.h> #include <linux/namei.h> diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 53ff70e2399..de38d63aa92 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -201,6 +201,7 @@ static int nfs_set_page_writeback(struct page *page) struct inode *inode = page->mapping->host; struct nfs_server *nfss = NFS_SERVER(inode); + page_cache_get(page); if (atomic_long_inc_return(&nfss->writeback) > NFS_CONGESTION_ON_THRESH) { set_bdi_congested(&nfss->backing_dev_info, @@ -216,6 +217,7 @@ static void nfs_end_page_writeback(struct page *page) struct nfs_server *nfss = NFS_SERVER(inode); end_page_writeback(page); + page_cache_release(page); if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC); } @@ -421,6 +423,7 @@ static void nfs_mark_request_dirty(struct nfs_page *req) { __set_page_dirty_nobuffers(req->wb_page); + __mark_inode_dirty(req->wb_page->mapping->host, I_DIRTY_DATASYNC); } #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) @@ -660,9 +663,11 @@ static int nfs_writepage_setup(struct nfs_open_context *ctx, struct page *page, req = nfs_setup_write_request(ctx, page, offset, count); if (IS_ERR(req)) return PTR_ERR(req); + nfs_mark_request_dirty(req); /* Update file length */ nfs_grow_file(page, offset, count); nfs_mark_uptodate(page, req->wb_pgbase, req->wb_bytes); + nfs_mark_request_dirty(req); nfs_clear_page_tag_locked(req); return 0; } @@ -739,8 +744,6 @@ int nfs_updatepage(struct file *file, struct page *page, status = nfs_writepage_setup(ctx, page, offset, count); if (status < 0) nfs_set_pageerror(page); - else - __set_page_dirty_nobuffers(page); dprintk("NFS: nfs_updatepage returns %d (isize %lld)\n", status, (long long)i_size_read(inode)); @@ -749,13 +752,12 @@ int nfs_updatepage(struct file *file, struct page *page, static void nfs_writepage_release(struct nfs_page *req) { + struct page *page = req->wb_page; - if (PageError(req->wb_page) || !nfs_reschedule_unstable_write(req)) { - nfs_end_page_writeback(req->wb_page); + if (PageError(req->wb_page) || !nfs_reschedule_unstable_write(req)) nfs_inode_remove_request(req); - } else - nfs_end_page_writeback(req->wb_page); nfs_clear_page_tag_locked(req); + nfs_end_page_writeback(page); } static int flush_task_priority(int how) @@ -779,7 +781,6 @@ static int nfs_write_rpcsetup(struct nfs_page *req, int how) { struct inode *inode = req->wb_context->path.dentry->d_inode; - int flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC; int priority = flush_task_priority(how); struct rpc_task *task; struct rpc_message msg = { @@ -794,9 +795,10 @@ static int nfs_write_rpcsetup(struct nfs_page *req, .callback_ops = call_ops, .callback_data = data, .workqueue = nfsiod_workqueue, - .flags = flags, + .flags = RPC_TASK_ASYNC, .priority = priority, }; + int ret = 0; /* Set up the RPC argument and reply structs * NB: take care not to mess about with data->commit et al. */ @@ -835,10 +837,18 @@ static int nfs_write_rpcsetup(struct nfs_page *req, (unsigned long long)data->args.offset); task = rpc_run_task(&task_setup_data); - if (IS_ERR(task)) - return PTR_ERR(task); + if (IS_ERR(task)) { + ret = PTR_ERR(task); + goto out; + } + if (how & FLUSH_SYNC) { + ret = rpc_wait_for_completion_task(task); + if (ret == 0) + ret = task->tk_status; + } rpc_put_task(task); - return 0; +out: + return ret; } /* If a nfs_flush_* function fails, it should remove reqs from @head and @@ -847,9 +857,11 @@ static int nfs_write_rpcsetup(struct nfs_page *req, */ static void nfs_redirty_request(struct nfs_page *req) { + struct page *page = req->wb_page; + nfs_mark_request_dirty(req); - nfs_end_page_writeback(req->wb_page); nfs_clear_page_tag_locked(req); + nfs_end_page_writeback(page); } /* @@ -1084,16 +1096,15 @@ static void nfs_writeback_release_full(void *calldata) if (nfs_write_need_commit(data)) { memcpy(&req->wb_verf, &data->verf, sizeof(req->wb_verf)); nfs_mark_request_commit(req); - nfs_end_page_writeback(page); dprintk(" marked for commit\n"); goto next; } dprintk(" OK\n"); remove_request: - nfs_end_page_writeback(page); nfs_inode_remove_request(req); next: nfs_clear_page_tag_locked(req); + nfs_end_page_writeback(page); } nfs_writedata_release(calldata); } @@ -1207,7 +1218,6 @@ static int nfs_commit_rpcsetup(struct list_head *head, { struct nfs_page *first = nfs_list_entry(head->next); struct inode *inode = first->wb_context->path.dentry->d_inode; - int flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC; int priority = flush_task_priority(how); struct rpc_task *task; struct rpc_message msg = { @@ -1222,7 +1232,7 @@ static int nfs_commit_rpcsetup(struct list_head *head, .callback_ops = &nfs_commit_ops, .callback_data = data, .workqueue = nfsiod_workqueue, - .flags = flags, + .flags = RPC_TASK_ASYNC, .priority = priority, }; @@ -1252,6 +1262,8 @@ static int nfs_commit_rpcsetup(struct list_head *head, task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); + if (how & FLUSH_SYNC) + rpc_wait_for_completion_task(task); rpc_put_task(task); return 0; } |