diff options
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/dir.c | 314 | ||||
| -rw-r--r-- | fs/nfs/direct.c | 6 | ||||
| -rw-r--r-- | fs/nfs/getroot.c | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs3proc.c | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 37 | ||||
| -rw-r--r-- | fs/nfs/objlayout/objio_osd.c | 25 | ||||
| -rw-r--r-- | fs/nfs/proc.c | 2 | ||||
| -rw-r--r-- | fs/nfs/super.c | 4 |
8 files changed, 162 insertions, 230 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index f430057ff3b..a6b1c7fb823 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -46,8 +46,8 @@ static int nfs_opendir(struct inode *, struct file *); static int nfs_closedir(struct inode *, struct file *); static int nfs_readdir(struct file *, void *, filldir_t); -static struct dentry *nfs_lookup(struct inode *, struct dentry *, struct nameidata *); -static int nfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *); +static struct dentry *nfs_lookup(struct inode *, struct dentry *, unsigned int); +static int nfs_create(struct inode *, struct dentry *, umode_t, bool); static int nfs_mkdir(struct inode *, struct dentry *, umode_t); static int nfs_rmdir(struct inode *, struct dentry *); static int nfs_unlink(struct inode *, struct dentry *); @@ -111,11 +111,13 @@ const struct inode_operations nfs3_dir_inode_operations = { #ifdef CONFIG_NFS_V4 -static struct dentry *nfs_atomic_lookup(struct inode *, struct dentry *, struct nameidata *); -static int nfs_open_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd); +static int nfs_atomic_open(struct inode *, struct dentry *, + struct file *, unsigned, umode_t, + int *); const struct inode_operations nfs4_dir_inode_operations = { - .create = nfs_open_create, - .lookup = nfs_atomic_lookup, + .create = nfs_create, + .lookup = nfs_lookup, + .atomic_open = nfs_atomic_open, .link = nfs_link, .unlink = nfs_unlink, .symlink = nfs_symlink, @@ -1029,27 +1031,14 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry) } /* - * Return the intent data that applies to this particular path component - * - * Note that the current set of intents only apply to the very last - * component of the path and none of them is set before that last - * component. - */ -static inline unsigned int nfs_lookup_check_intent(struct nameidata *nd, - unsigned int mask) -{ - return nd->flags & mask; -} - -/* * Use intent information to check whether or not we're going to do * an O_EXCL create using this path component. */ -static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd) +static int nfs_is_exclusive_create(struct inode *dir, unsigned int flags) { if (NFS_PROTO(dir)->version == 2) return 0; - return nd && nfs_lookup_check_intent(nd, LOOKUP_EXCL); + return flags & LOOKUP_EXCL; } /* @@ -1061,25 +1050,20 @@ static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd) * */ static inline -int nfs_lookup_verify_inode(struct inode *inode, struct nameidata *nd) +int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags) { struct nfs_server *server = NFS_SERVER(inode); if (IS_AUTOMOUNT(inode)) return 0; - if (nd != NULL) { - /* VFS wants an on-the-wire revalidation */ - if (nd->flags & LOOKUP_REVAL) - goto out_force; - /* This is an open(2) */ - if (nfs_lookup_check_intent(nd, LOOKUP_OPEN) != 0 && - !(server->flags & NFS_MOUNT_NOCTO) && - (S_ISREG(inode->i_mode) || - S_ISDIR(inode->i_mode))) - goto out_force; - return 0; - } - return nfs_revalidate_inode(server, inode); + /* VFS wants an on-the-wire revalidation */ + if (flags & LOOKUP_REVAL) + goto out_force; + /* This is an open(2) */ + if ((flags & LOOKUP_OPEN) && !(server->flags & NFS_MOUNT_NOCTO) && + (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) + goto out_force; + return 0; out_force: return __nfs_revalidate_inode(server, inode); } @@ -1093,10 +1077,10 @@ out_force: */ static inline int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { /* Don't revalidate a negative dentry if we're creating a new file */ - if (nd != NULL && nfs_lookup_check_intent(nd, LOOKUP_CREATE) != 0) + if (flags & LOOKUP_CREATE) return 0; if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG) return 1; @@ -1114,7 +1098,7 @@ int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry, * If the parent directory is seen to have changed, we throw out the * cached dentry and do a new lookup. */ -static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) +static int nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags) { struct inode *dir; struct inode *inode; @@ -1123,7 +1107,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) struct nfs_fattr *fattr = NULL; int error; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; parent = dget_parent(dentry); @@ -1132,7 +1116,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) inode = dentry->d_inode; if (!inode) { - if (nfs_neg_need_reval(dir, dentry, nd)) + if (nfs_neg_need_reval(dir, dentry, flags)) goto out_bad; goto out_valid_noent; } @@ -1148,8 +1132,8 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) goto out_set_verifier; /* Force a full look up iff the parent directory has changed */ - if (!nfs_is_exclusive_create(dir, nd) && nfs_check_verifier(dir, dentry)) { - if (nfs_lookup_verify_inode(inode, nd)) + if (!nfs_is_exclusive_create(dir, flags) && nfs_check_verifier(dir, dentry)) { + if (nfs_lookup_verify_inode(inode, flags)) goto out_zap_parent; goto out_valid; } @@ -1286,7 +1270,7 @@ const struct dentry_operations nfs_dentry_operations = { .d_release = nfs_d_release, }; -static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags) { struct dentry *res; struct dentry *parent; @@ -1307,7 +1291,7 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru * If we're doing an exclusive create, optimize away the lookup * but don't hash the dentry. */ - if (nfs_is_exclusive_create(dir, nd)) { + if (nfs_is_exclusive_create(dir, flags)) { d_instantiate(dentry, NULL); res = NULL; goto out; @@ -1354,7 +1338,7 @@ out: } #ifdef CONFIG_NFS_V4 -static int nfs4_lookup_revalidate(struct dentry *, struct nameidata *); +static int nfs4_lookup_revalidate(struct dentry *, unsigned int); const struct dentry_operations nfs4_dentry_operations = { .d_revalidate = nfs4_lookup_revalidate, @@ -1364,24 +1348,6 @@ const struct dentry_operations nfs4_dentry_operations = { .d_release = nfs_d_release, }; -/* - * Use intent information to determine whether we need to substitute - * the NFSv4-style stateful OPEN for the LOOKUP call - */ -static int is_atomic_open(struct nameidata *nd) -{ - if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_OPEN) == 0) - return 0; - /* NFS does not (yet) have a stateful open for directories */ - if (nd->flags & LOOKUP_DIRECTORY) - return 0; - /* Are we trying to write to a read only partition? */ - if (__mnt_is_readonly(nd->path.mnt) && - (nd->intent.open.flags & (O_CREAT|O_TRUNC|O_ACCMODE))) - return 0; - return 1; -} - static fmode_t flags_to_mode(int flags) { fmode_t res = (__force fmode_t)flags & FMODE_EXEC; @@ -1403,136 +1369,143 @@ static int do_open(struct inode *inode, struct file *filp) return 0; } -static int nfs_intent_set_file(struct nameidata *nd, struct nfs_open_context *ctx) +static int nfs_finish_open(struct nfs_open_context *ctx, + struct dentry *dentry, + struct file *file, unsigned open_flags, + int *opened) { - struct file *filp; - int ret = 0; + int err; + + if (ctx->dentry != dentry) { + dput(ctx->dentry); + ctx->dentry = dget(dentry); + } /* If the open_intent is for execute, we have an extra check to make */ if (ctx->mode & FMODE_EXEC) { - ret = nfs_may_open(ctx->dentry->d_inode, - ctx->cred, - nd->intent.open.flags); - if (ret < 0) + err = nfs_may_open(dentry->d_inode, ctx->cred, open_flags); + if (err < 0) goto out; } - filp = lookup_instantiate_filp(nd, ctx->dentry, do_open); - if (IS_ERR(filp)) - ret = PTR_ERR(filp); - else - nfs_file_set_open_context(filp, ctx); + + err = finish_open(file, dentry, do_open, opened); + if (err) + goto out; + nfs_file_set_open_context(file, ctx); + out: put_nfs_open_context(ctx); - return ret; + return err; } -static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static int nfs_atomic_open(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned open_flags, + umode_t mode, int *opened) { struct nfs_open_context *ctx; - struct iattr attr; - struct dentry *res = NULL; + struct dentry *res; + struct iattr attr = { .ia_valid = ATTR_OPEN }; struct inode *inode; - int open_flags; int err; - dfprintk(VFS, "NFS: atomic_lookup(%s/%ld), %s\n", + /* Expect a negative dentry */ + BUG_ON(dentry->d_inode); + + dfprintk(VFS, "NFS: atomic_open(%s/%ld), %s\n", dir->i_sb->s_id, dir->i_ino, dentry->d_name.name); - /* Check that we are indeed trying to open this file */ - if (!is_atomic_open(nd)) + /* NFS only supports OPEN on regular files */ + if ((open_flags & O_DIRECTORY)) { + if (!d_unhashed(dentry)) { + /* + * Hashed negative dentry with O_DIRECTORY: dentry was + * revalidated and is fine, no need to perform lookup + * again + */ + return -ENOENT; + } goto no_open; - - if (dentry->d_name.len > NFS_SERVER(dir)->namelen) { - res = ERR_PTR(-ENAMETOOLONG); - goto out; - } - - /* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash - * the dentry. */ - if (nd->flags & LOOKUP_EXCL) { - d_instantiate(dentry, NULL); - goto out; } - open_flags = nd->intent.open.flags; - attr.ia_valid = ATTR_OPEN; - - ctx = create_nfs_open_context(dentry, open_flags); - res = ERR_CAST(ctx); - if (IS_ERR(ctx)) - goto out; + if (dentry->d_name.len > NFS_SERVER(dir)->namelen) + return -ENAMETOOLONG; - if (nd->flags & LOOKUP_CREATE) { - attr.ia_mode = nd->intent.open.create_mode; + if (open_flags & O_CREAT) { attr.ia_valid |= ATTR_MODE; - attr.ia_mode &= ~current_umask(); - } else - open_flags &= ~(O_EXCL | O_CREAT); - + attr.ia_mode = mode & ~current_umask(); + } if (open_flags & O_TRUNC) { attr.ia_valid |= ATTR_SIZE; attr.ia_size = 0; } - /* Open the file on the server */ + ctx = create_nfs_open_context(dentry, open_flags); + err = PTR_ERR(ctx); + if (IS_ERR(ctx)) + goto out; + nfs_block_sillyrename(dentry->d_parent); inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr); + d_drop(dentry); if (IS_ERR(inode)) { nfs_unblock_sillyrename(dentry->d_parent); put_nfs_open_context(ctx); - switch (PTR_ERR(inode)) { - /* Make a negative dentry */ - case -ENOENT: - d_add(dentry, NULL); - res = NULL; - goto out; - /* This turned out not to be a regular file */ - case -EISDIR: - case -ENOTDIR: + err = PTR_ERR(inode); + switch (err) { + case -ENOENT: + d_add(dentry, NULL); + break; + case -EISDIR: + case -ENOTDIR: + goto no_open; + case -ELOOP: + if (!(open_flags & O_NOFOLLOW)) goto no_open; - case -ELOOP: - if (!(nd->intent.open.flags & O_NOFOLLOW)) - goto no_open; + break; /* case -EINVAL: */ - default: - res = ERR_CAST(inode); - goto out; + default: + break; } + goto out; } res = d_add_unique(dentry, inode); - nfs_unblock_sillyrename(dentry->d_parent); - if (res != NULL) { - dput(ctx->dentry); - ctx->dentry = dget(res); + if (res != NULL) dentry = res; - } - err = nfs_intent_set_file(nd, ctx); - if (err < 0) { - if (res != NULL) - dput(res); - return ERR_PTR(err); - } -out: + + nfs_unblock_sillyrename(dentry->d_parent); nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); - return res; + + err = nfs_finish_open(ctx, dentry, file, open_flags, opened); + + dput(res); +out: + return err; + no_open: - return nfs_lookup(dir, dentry, nd); + res = nfs_lookup(dir, dentry, 0); + err = PTR_ERR(res); + if (IS_ERR(res)) + goto out; + + return finish_no_open(file, res); } -static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) +static int nfs4_lookup_revalidate(struct dentry *dentry, unsigned int flags) { struct dentry *parent = NULL; struct inode *inode; struct inode *dir; - int openflags, ret = 0; + int ret = 0; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; - inode = dentry->d_inode; - if (!is_atomic_open(nd) || d_mountpoint(dentry)) + if (!(flags & LOOKUP_OPEN) || (flags & LOOKUP_DIRECTORY)) + goto no_open; + if (d_mountpoint(dentry)) goto no_open; + inode = dentry->d_inode; parent = dget_parent(dentry); dir = parent->d_inode; @@ -1540,7 +1513,7 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) * optimize away revalidation of negative dentries. */ if (inode == NULL) { - if (!nfs_neg_need_reval(dir, dentry, nd)) + if (!nfs_neg_need_reval(dir, dentry, flags)) ret = 1; goto out; } @@ -1548,9 +1521,8 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) /* NFS only supports OPEN on regular files */ if (!S_ISREG(inode->i_mode)) goto no_open_dput; - openflags = nd->intent.open.flags; /* We cannot do exclusive creation on a positive dentry */ - if ((openflags & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL)) + if (flags & LOOKUP_EXCL) goto no_open_dput; /* Let f_op->open() actually open (and revalidate) the file */ @@ -1563,48 +1535,7 @@ out: no_open_dput: dput(parent); no_open: - return nfs_lookup_revalidate(dentry, nd); -} - -static int nfs_open_create(struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) -{ - struct nfs_open_context *ctx = NULL; - struct iattr attr; - int error; - int open_flags = O_CREAT|O_EXCL; - - dfprintk(VFS, "NFS: create(%s/%ld), %s\n", - dir->i_sb->s_id, dir->i_ino, dentry->d_name.name); - - attr.ia_mode = mode; - attr.ia_valid = ATTR_MODE; - - if (nd) - open_flags = nd->intent.open.flags; - - ctx = create_nfs_open_context(dentry, open_flags); - error = PTR_ERR(ctx); - if (IS_ERR(ctx)) - goto out_err_drop; - - error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, ctx); - if (error != 0) - goto out_put_ctx; - if (nd) { - error = nfs_intent_set_file(nd, ctx); - if (error < 0) - goto out_err; - } else { - put_nfs_open_context(ctx); - } - return 0; -out_put_ctx: - put_nfs_open_context(ctx); -out_err_drop: - d_drop(dentry); -out_err: - return error; + return nfs_lookup_revalidate(dentry, flags); } #endif /* CONFIG_NFSV4 */ @@ -1658,11 +1589,11 @@ out_error: * reply path made it appear to have failed. */ static int nfs_create(struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { struct iattr attr; + int open_flags = excl ? O_CREAT | O_EXCL : O_CREAT; int error; - int open_flags = O_CREAT|O_EXCL; dfprintk(VFS, "NFS: create(%s/%ld), %s\n", dir->i_sb->s_id, dir->i_ino, dentry->d_name.name); @@ -1670,10 +1601,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, attr.ia_mode = mode; attr.ia_valid = ATTR_MODE; - if (nd) - open_flags = nd->intent.open.flags; - - error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, NULL); + error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags); if (error != 0) goto out_err; return 0; diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 9a4cbfc85d8..48253372ab1 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -484,6 +484,7 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) list_for_each_entry_safe(req, tmp, &reqs, wb_list) { if (!nfs_pageio_add_request(&desc, req)) { + nfs_list_remove_request(req); nfs_list_add_request(req, &failed); spin_lock(cinfo.lock); dreq->flags = 0; @@ -494,8 +495,11 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) } nfs_pageio_complete(&desc); - while (!list_empty(&failed)) + while (!list_empty(&failed)) { + req = nfs_list_entry(failed.next); + nfs_list_remove_request(req); nfs_unlock_and_release_request(req); + } if (put_dreq(dreq)) nfs_direct_write_complete(dreq, dreq->inode); diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index 8abfb19bd3a..a67990f90bd 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -62,7 +62,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i */ spin_lock(&sb->s_root->d_inode->i_lock); spin_lock(&sb->s_root->d_lock); - list_del_init(&sb->s_root->d_alias); + hlist_del_init(&sb->s_root->d_alias); spin_unlock(&sb->s_root->d_lock); spin_unlock(&sb->s_root->d_inode->i_lock); } diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 2292a0fd2bf..3187e24e8f7 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -314,7 +314,7 @@ static void nfs3_free_createdata(struct nfs3_createdata *data) */ static int nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, - int flags, struct nfs_open_context *ctx) + int flags) { struct nfs3_createdata *data; umode_t mode = sattr->ia_mode; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 15fc7e4664e..c157b2089b4 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2806,37 +2806,22 @@ static int nfs4_proc_readlink(struct inode *inode, struct page *page, } /* - * Got race? - * We will need to arrange for the VFS layer to provide an atomic open. - * Until then, this create/open method is prone to inefficiency and race - * conditions due to the lookup, create, and open VFS calls from sys_open() - * placed on the wire. - * - * Given the above sorry state of affairs, I'm simply sending an OPEN. - * The file will be opened again in the subsequent VFS open call - * (nfs4_proc_file_open). - * - * The open for read will just hang around to be used by any process that - * opens the file O_RDONLY. This will all be resolved with the VFS changes. + * This is just for mknod. open(O_CREAT) will always do ->open_context(). */ - static int nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, - int flags, struct nfs_open_context *ctx) + int flags) { - struct dentry *de = dentry; + struct nfs_open_context *ctx; struct nfs4_state *state; - struct rpc_cred *cred = NULL; - fmode_t fmode = 0; int status = 0; - if (ctx != NULL) { - cred = ctx->cred; - de = ctx->dentry; - fmode = ctx->mode; - } + ctx = alloc_nfs_open_context(dentry, FMODE_READ); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); + sattr->ia_mode &= ~current_umask(); - state = nfs4_do_open(dir, de, fmode, flags, sattr, cred, NULL); + state = nfs4_do_open(dir, dentry, ctx->mode, flags, sattr, ctx->cred, NULL); d_drop(dentry); if (IS_ERR(state)) { status = PTR_ERR(state); @@ -2844,11 +2829,9 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, } d_add(dentry, igrab(state->inode)); nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); - if (ctx != NULL) - ctx->state = state; - else - nfs4_close_sync(state, fmode); + ctx->state = state; out: + put_nfs_open_context(ctx); return status; } diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index b47277baeba..f50d3e8d6f2 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -454,7 +454,10 @@ int objio_read_pagelist(struct nfs_read_data *rdata) objios->ios->done = _read_done; dprintk("%s: offset=0x%llx length=0x%x\n", __func__, rdata->args.offset, rdata->args.count); - return ore_read(objios->ios); + ret = ore_read(objios->ios); + if (unlikely(ret)) + objio_free_result(&objios->oir); + return ret; } /* @@ -486,8 +489,16 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) struct nfs_write_data *wdata = objios->oir.rpcdata; struct address_space *mapping = wdata->header->inode->i_mapping; pgoff_t index = offset / PAGE_SIZE; - struct page *page = find_get_page(mapping, index); + struct page *page; + loff_t i_size = i_size_read(wdata->header->inode); + + if (offset >= i_size) { + *uptodate = true; + dprintk("%s: g_zero_page index=0x%lx\n", __func__, index); + return ZERO_PAGE(0); + } + page = find_get_page(mapping, index); if (!page) { page = find_or_create_page(mapping, index, GFP_NOFS); if (unlikely(!page)) { @@ -507,8 +518,10 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) static void __r4w_put_page(void *priv, struct page *page) { - dprintk("%s: index=0x%lx\n", __func__, page->index); - page_cache_release(page); + dprintk("%s: index=0x%lx\n", __func__, + (page == ZERO_PAGE(0)) ? -1UL : page->index); + if (ZERO_PAGE(0) != page) + page_cache_release(page); return; } @@ -539,8 +552,10 @@ int objio_write_pagelist(struct nfs_write_data *wdata, int how) dprintk("%s: offset=0x%llx length=0x%x\n", __func__, wdata->args.offset, wdata->args.count); ret = ore_write(objios->ios); - if (unlikely(ret)) + if (unlikely(ret)) { + objio_free_result(&objios->oir); return ret; + } if (objios->sync) _write_done(objios->ios, objios); diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index 617c7419a08..4433806e116 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -259,7 +259,7 @@ static void nfs_free_createdata(const struct nfs_createdata *data) static int nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, - int flags, struct nfs_open_context *ctx) + int flags) { struct nfs_createdata *data; struct rpc_message msg = { diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 906f09c7d84..8b2a2977b72 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2419,7 +2419,7 @@ static struct dentry *nfs_fs_mount_common(struct file_system_type *fs_type, sb_mntdata.mntflags |= MS_SYNCHRONOUS; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata); + s = sget(fs_type, compare_super, nfs_set_super, flags, &sb_mntdata); if (IS_ERR(s)) { mntroot = ERR_CAST(s); goto out_err_nosb; @@ -2860,6 +2860,8 @@ static struct dentry *nfs4_try_mount(int flags, const char *dev_name, dfprintk(MOUNT, "--> nfs4_try_mount()\n"); + mount_info->fill_super = nfs4_fill_super; + export_path = data->nfs_server.export_path; data->nfs_server.export_path = "/"; root_mnt = nfs_do_root_mount(&nfs4_remote_fs_type, flags, mount_info, |