diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/cache_lib.c | 9 | ||||
-rw-r--r-- | fs/nfs/dir.c | 87 | ||||
-rw-r--r-- | fs/nfs/direct.c | 4 | ||||
-rw-r--r-- | fs/nfs/file.c | 18 | ||||
-rw-r--r-- | fs/nfs/fscache.c | 8 | ||||
-rw-r--r-- | fs/nfs/inode.c | 20 | ||||
-rw-r--r-- | fs/nfs/nfs4_fs.h | 10 | ||||
-rw-r--r-- | fs/nfs/nfs4filelayout.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 70 | ||||
-rw-r--r-- | fs/nfs/nfs4state.c | 12 | ||||
-rw-r--r-- | fs/nfs/nfs4xdr.c | 2 | ||||
-rw-r--r-- | fs/nfs/pagelist.c | 4 | ||||
-rw-r--r-- | fs/nfs/read.c | 8 | ||||
-rw-r--r-- | fs/nfs/super.c | 16 | ||||
-rw-r--r-- | fs/nfs/write.c | 24 |
15 files changed, 151 insertions, 142 deletions
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c index 84690319e625..c98b439332fc 100644 --- a/fs/nfs/cache_lib.c +++ b/fs/nfs/cache_lib.c @@ -113,19 +113,18 @@ int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq) int nfs_cache_register(struct cache_detail *cd) { - struct nameidata nd; struct vfsmount *mnt; + struct path path; int ret; mnt = rpc_get_mount(); if (IS_ERR(mnt)) return PTR_ERR(mnt); - ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &nd); + ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &path); if (ret) goto err; - ret = sunrpc_cache_register_pipefs(nd.path.dentry, - cd->name, 0600, cd); - path_put(&nd.path); + ret = sunrpc_cache_register_pipefs(path.dentry, cd->name, 0600, cd); + path_put(&path); if (!ret) return ret; err: diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index ededdbd0db38..57f578e2560a 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -56,7 +56,7 @@ static int nfs_link(struct dentry *, struct inode *, struct dentry *); static int nfs_mknod(struct inode *, struct dentry *, int, dev_t); static int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); -static int nfs_fsync_dir(struct file *, int); +static int nfs_fsync_dir(struct file *, loff_t, loff_t, int); static loff_t nfs_llseek_dir(struct file *, loff_t, int); static void nfs_readdir_clear_array(struct page*); @@ -945,15 +945,19 @@ out: * All directory operations under NFS are synchronous, so fsync() * is a dummy operation. */ -static int nfs_fsync_dir(struct file *filp, int datasync) +static int nfs_fsync_dir(struct file *filp, loff_t start, loff_t end, + int datasync) { struct dentry *dentry = filp->f_path.dentry; + struct inode *inode = dentry->d_inode; dfprintk(FILE, "NFS: fsync dir(%s/%s) datasync %d\n", dentry->d_parent->d_name.name, dentry->d_name.name, datasync); + mutex_lock(&inode->i_mutex); nfs_inc_stats(dentry->d_inode, NFSIOS_VFSFSYNC); + mutex_unlock(&inode->i_mutex); return 0; } @@ -997,14 +1001,12 @@ 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. - * We check for this using LOOKUP_CONTINUE and LOOKUP_PARENT. + * 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) { - if (nd->flags & (LOOKUP_CONTINUE|LOOKUP_PARENT)) - return 0; return nd->flags & mask; } @@ -1338,25 +1340,31 @@ static int is_atomic_open(struct nameidata *nd) 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|FMODE_WRITE))) + (nd->intent.open.flags & (O_CREAT|O_TRUNC|O_ACCMODE))) return 0; return 1; } -static struct nfs_open_context *nameidata_to_nfs_open_context(struct dentry *dentry, struct nameidata *nd) +static fmode_t flags_to_mode(int flags) +{ + fmode_t res = (__force fmode_t)flags & FMODE_EXEC; + if ((flags & O_ACCMODE) != O_WRONLY) + res |= FMODE_READ; + if ((flags & O_ACCMODE) != O_RDONLY) + res |= FMODE_WRITE; + return res; +} + +static struct nfs_open_context *create_nfs_open_context(struct dentry *dentry, int open_flags) { - struct path path = { - .mnt = nd->path.mnt, - .dentry = dentry, - }; struct nfs_open_context *ctx; struct rpc_cred *cred; - fmode_t fmode = nd->intent.open.flags & (FMODE_READ | FMODE_WRITE | FMODE_EXEC); + fmode_t fmode = flags_to_mode(open_flags); cred = rpc_lookup_cred(); if (IS_ERR(cred)) return ERR_CAST(cred); - ctx = alloc_nfs_open_context(&path, cred, fmode); + ctx = alloc_nfs_open_context(dentry, cred, fmode); put_rpccred(cred); if (ctx == NULL) return ERR_PTR(-ENOMEM); @@ -1376,13 +1384,13 @@ static int nfs_intent_set_file(struct nameidata *nd, struct nfs_open_context *ct /* If the open_intent is for execute, we have an extra check to make */ if (ctx->mode & FMODE_EXEC) { - ret = nfs_may_open(ctx->path.dentry->d_inode, + ret = nfs_may_open(ctx->dentry->d_inode, ctx->cred, nd->intent.open.flags); if (ret < 0) goto out; } - filp = lookup_instantiate_filp(nd, ctx->path.dentry, do_open); + filp = lookup_instantiate_filp(nd, ctx->dentry, do_open); if (IS_ERR(filp)) ret = PTR_ERR(filp); else @@ -1420,12 +1428,13 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry goto out; } - ctx = nameidata_to_nfs_open_context(dentry, nd); + open_flags = nd->intent.open.flags; + + ctx = create_nfs_open_context(dentry, open_flags); res = ERR_CAST(ctx); if (IS_ERR(ctx)) goto out; - open_flags = nd->intent.open.flags; if (nd->flags & LOOKUP_CREATE) { attr.ia_mode = nd->intent.open.create_mode; attr.ia_valid = ATTR_MODE; @@ -1463,8 +1472,8 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry res = d_add_unique(dentry, inode); nfs_unblock_sillyrename(dentry->d_parent); if (res != NULL) { - dput(ctx->path.dentry); - ctx->path.dentry = dget(res); + dput(ctx->dentry); + ctx->dentry = dget(res); dentry = res; } err = nfs_intent_set_file(nd, ctx); @@ -1517,7 +1526,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd) /* We can't create new files, or truncate existing ones here */ openflags &= ~(O_CREAT|O_EXCL|O_TRUNC); - ctx = nameidata_to_nfs_open_context(dentry, nd); + ctx = create_nfs_open_context(dentry, openflags); ret = PTR_ERR(ctx); if (IS_ERR(ctx)) goto out; @@ -1570,7 +1579,7 @@ static int nfs_open_create(struct inode *dir, struct dentry *dentry, int mode, struct nfs_open_context *ctx = NULL; struct iattr attr; int error; - int open_flags = 0; + 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); @@ -1578,27 +1587,27 @@ static int nfs_open_create(struct inode *dir, struct dentry *dentry, int mode, attr.ia_mode = mode; attr.ia_valid = ATTR_MODE; - if ((nd->flags & LOOKUP_CREATE) != 0) { + if (nd) open_flags = nd->intent.open.flags; - ctx = nameidata_to_nfs_open_context(dentry, nd); - error = PTR_ERR(ctx); - if (IS_ERR(ctx)) - goto out_err_drop; - } + 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 (ctx != NULL) { + 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: - if (ctx != NULL) - put_nfs_open_context(ctx); + put_nfs_open_context(ctx); out_err_drop: d_drop(dentry); out_err: @@ -1660,7 +1669,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode, { struct iattr attr; int error; - int open_flags = 0; + 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); @@ -1668,7 +1677,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode, attr.ia_mode = mode; attr.ia_valid = ATTR_MODE; - if ((nd->flags & LOOKUP_CREATE) != 0) + if (nd) open_flags = nd->intent.open.flags; error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, NULL); @@ -2259,11 +2268,11 @@ static int nfs_open_permission_mask(int openflags) { int mask = 0; - if (openflags & FMODE_READ) + if ((openflags & O_ACCMODE) != O_WRONLY) mask |= MAY_READ; - if (openflags & FMODE_WRITE) + if ((openflags & O_ACCMODE) != O_RDONLY) mask |= MAY_WRITE; - if (openflags & FMODE_EXEC) + if (openflags & __FMODE_EXEC) mask |= MAY_EXEC; return mask; } @@ -2273,12 +2282,12 @@ int nfs_may_open(struct inode *inode, struct rpc_cred *cred, int openflags) return nfs_do_access(inode, cred, nfs_open_permission_mask(openflags)); } -int nfs_permission(struct inode *inode, int mask, unsigned int flags) +int nfs_permission(struct inode *inode, int mask) { struct rpc_cred *cred; int res = 0; - if (flags & IPERM_FLAG_RCU) + if (mask & MAY_NOT_BLOCK) return -ECHILD; nfs_inc_stats(inode, NFSIOS_VFSACCESS); @@ -2328,7 +2337,7 @@ out: out_notsup: res = nfs_revalidate_inode(NFS_SERVER(inode), inode); if (res == 0) - res = generic_permission(inode, mask, flags, NULL); + res = generic_permission(inode, mask); goto out; } diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 8eea25366717..b35d25b98da6 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -284,7 +284,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq, loff_t pos) { struct nfs_open_context *ctx = dreq->ctx; - struct inode *inode = ctx->path.dentry->d_inode; + struct inode *inode = ctx->dentry->d_inode; unsigned long user_addr = (unsigned long)iov->iov_base; size_t count = iov->iov_len; size_t rsize = NFS_SERVER(inode)->rsize; @@ -715,7 +715,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq, loff_t pos, int sync) { struct nfs_open_context *ctx = dreq->ctx; - struct inode *inode = ctx->path.dentry->d_inode; + struct inode *inode = ctx->dentry->d_inode; unsigned long user_addr = (unsigned long)iov->iov_base; size_t count = iov->iov_len; struct rpc_task *task; diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 2f093ed16980..28b8c3f3cda3 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -55,7 +55,7 @@ static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe, static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov, unsigned long nr_segs, loff_t pos); static int nfs_file_flush(struct file *, fl_owner_t id); -static int nfs_file_fsync(struct file *, int datasync); +static int nfs_file_fsync(struct file *, loff_t, loff_t, int datasync); static int nfs_check_flags(int flags); static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl); static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl); @@ -187,8 +187,11 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) filp->f_path.dentry->d_name.name, offset, origin); - /* origin == SEEK_END => we must revalidate the cached file length */ - if (origin == SEEK_END) { + /* + * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate + * the cached file length + */ + if (origin != SEEK_SET || origin != SEEK_CUR) { struct inode *inode = filp->f_mapping->host; int retval = nfs_revalidate_file_size(inode, filp); @@ -305,7 +308,7 @@ nfs_file_mmap(struct file * file, struct vm_area_struct * vma) * fall back to doing a synchronous write. */ static int -nfs_file_fsync(struct file *file, int datasync) +nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync) { struct dentry *dentry = file->f_path.dentry; struct nfs_open_context *ctx = nfs_file_open_context(file); @@ -313,11 +316,15 @@ nfs_file_fsync(struct file *file, int datasync) int have_error, status; int ret = 0; - dprintk("NFS: fsync file(%s/%s) datasync %d\n", dentry->d_parent->d_name.name, dentry->d_name.name, datasync); + ret = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (ret) + return ret; + mutex_lock(&inode->i_mutex); + nfs_inc_stats(inode, NFSIOS_VFSFSYNC); have_error = test_and_clear_bit(NFS_CONTEXT_ERROR_WRITE, &ctx->flags); status = nfs_commit_inode(inode, FLUSH_SYNC); @@ -329,6 +336,7 @@ nfs_file_fsync(struct file *file, int datasync) if (!ret && !datasync) /* application has asked for meta-data sync */ ret = pnfs_layoutcommit_inode(inode, true); + mutex_unlock(&inode->i_mutex); return ret; } diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index ce153a6b3aec..419119c371bf 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -259,12 +259,10 @@ static void nfs_fscache_disable_inode_cookie(struct inode *inode) dfprintk(FSCACHE, "NFS: nfsi 0x%p turning cache off\n", NFS_I(inode)); - /* Need to invalidate any mapped pages that were read in before - * turning off the cache. + /* Need to uncache any pages attached to this inode that + * fscache knows about before turning off the cache. */ - if (inode->i_mapping && inode->i_mapping->nrpages) - invalidate_inode_pages2(inode->i_mapping); - + fscache_uncache_all_inode_pages(NFS_I(inode)->fscache, inode); nfs_fscache_zap_inode_cookie(inode); } } diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 6f4850deb272..fe1203797b2b 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -567,7 +567,7 @@ static struct nfs_lock_context *__nfs_find_lock_context(struct nfs_open_context struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx) { struct nfs_lock_context *res, *new = NULL; - struct inode *inode = ctx->path.dentry->d_inode; + struct inode *inode = ctx->dentry->d_inode; spin_lock(&inode->i_lock); res = __nfs_find_lock_context(ctx); @@ -594,7 +594,7 @@ struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx) void nfs_put_lock_context(struct nfs_lock_context *l_ctx) { struct nfs_open_context *ctx = l_ctx->open_context; - struct inode *inode = ctx->path.dentry->d_inode; + struct inode *inode = ctx->dentry->d_inode; if (!atomic_dec_and_lock(&l_ctx->count, &inode->i_lock)) return; @@ -620,7 +620,7 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync) return; if (!is_sync) return; - inode = ctx->path.dentry->d_inode; + inode = ctx->dentry->d_inode; if (!list_empty(&NFS_I(inode)->open_files)) return; server = NFS_SERVER(inode); @@ -629,14 +629,14 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync) nfs_revalidate_inode(server, inode); } -struct nfs_open_context *alloc_nfs_open_context(struct path *path, struct rpc_cred *cred, fmode_t f_mode) +struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred, fmode_t f_mode) { struct nfs_open_context *ctx; ctx = kmalloc(sizeof(*ctx), GFP_KERNEL); if (ctx != NULL) { - ctx->path = *path; - path_get(&ctx->path); + nfs_sb_active(dentry->d_sb); + ctx->dentry = dget(dentry); ctx->cred = get_rpccred(cred); ctx->state = NULL; ctx->mode = f_mode; @@ -658,7 +658,8 @@ struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx) static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync) { - struct inode *inode = ctx->path.dentry->d_inode; + struct inode *inode = ctx->dentry->d_inode; + struct super_block *sb = ctx->dentry->d_sb; if (!list_empty(&ctx->list)) { if (!atomic_dec_and_lock(&ctx->lock_context.count, &inode->i_lock)) @@ -671,7 +672,8 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync) NFS_PROTO(inode)->close_context(ctx, is_sync); if (ctx->cred != NULL) put_rpccred(ctx->cred); - path_put(&ctx->path); + dput(ctx->dentry); + nfs_sb_deactive(sb); kfree(ctx); } @@ -741,7 +743,7 @@ int nfs_open(struct inode *inode, struct file *filp) cred = rpc_lookup_cred(); if (IS_ERR(cred)) return PTR_ERR(cred); - ctx = alloc_nfs_open_context(&filp->f_path, cred, filp->f_mode); + ctx = alloc_nfs_open_context(filp->f_path.dentry, cred, filp->f_mode); put_rpccred(cred); if (ctx == NULL) return -ENOMEM; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index c4a69833dd0d..b788f2eb1ba0 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -238,7 +238,7 @@ extern int nfs4_proc_async_renew(struct nfs_client *, struct rpc_cred *); extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *); extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *); extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *); -extern int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc); +extern int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc); extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle); extern int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name, struct nfs4_fs_locations *fs_locations, struct page *page); @@ -341,8 +341,8 @@ extern struct nfs4_state_owner * nfs4_get_state_owner(struct nfs_server *, struc extern void nfs4_put_state_owner(struct nfs4_state_owner *); extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *); extern void nfs4_put_open_state(struct nfs4_state *); -extern void nfs4_close_state(struct path *, struct nfs4_state *, fmode_t); -extern void nfs4_close_sync(struct path *, struct nfs4_state *, fmode_t); +extern void nfs4_close_state(struct nfs4_state *, fmode_t); +extern void nfs4_close_sync(struct nfs4_state *, fmode_t); extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t); extern void nfs4_schedule_lease_recovery(struct nfs_client *); extern void nfs4_schedule_state_manager(struct nfs_client *); @@ -373,8 +373,8 @@ extern struct svc_version nfs4_callback_version4; #else -#define nfs4_close_state(a, b, c) do { } while (0) -#define nfs4_close_sync(a, b, c) do { } while (0) +#define nfs4_close_state(a, b) do { } while (0) +#define nfs4_close_sync(a, b) do { } while (0) #endif /* CONFIG_NFS_V4 */ #endif /* __LINUX_FS_NFS_NFS4_FS.H */ diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 0bafcc91c27f..f9d03abcd04c 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -398,7 +398,6 @@ filelayout_write_pagelist(struct nfs_write_data *data, int sync) * this offset and save the original offset. */ data->args.offset = filelayout_get_dserver_offset(lseg, offset); - data->mds_offset = offset; /* Perform an asynchronous write */ status = nfs_initiate_write(data, ds->ds_clp->cl_rpcclient, diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5879b23e0c99..26bece8f3083 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -763,8 +763,8 @@ struct nfs4_opendata { struct nfs_open_confirmres c_res; struct nfs_fattr f_attr; struct nfs_fattr dir_attr; - struct path path; struct dentry *dir; + struct dentry *dentry; struct nfs4_state_owner *owner; struct nfs4_state *state; struct iattr attrs; @@ -786,12 +786,12 @@ static void nfs4_init_opendata_res(struct nfs4_opendata *p) nfs_fattr_init(&p->dir_attr); } -static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path, +static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, struct nfs4_state_owner *sp, fmode_t fmode, int flags, const struct iattr *attrs, gfp_t gfp_mask) { - struct dentry *parent = dget_parent(path->dentry); + struct dentry *parent = dget_parent(dentry); struct inode *dir = parent->d_inode; struct nfs_server *server = NFS_SERVER(dir); struct nfs4_opendata *p; @@ -802,8 +802,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path, p->o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid, gfp_mask); if (p->o_arg.seqid == NULL) goto err_free; - path_get(path); - p->path = *path; + nfs_sb_active(dentry->d_sb); + p->dentry = dget(dentry); p->dir = parent; p->owner = sp; atomic_inc(&sp->so_count); @@ -812,7 +812,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path, p->o_arg.fmode = fmode & (FMODE_READ|FMODE_WRITE); p->o_arg.clientid = server->nfs_client->cl_clientid; p->o_arg.id = sp->so_owner_id.id; - p->o_arg.name = &p->path.dentry->d_name; + p->o_arg.name = &dentry->d_name; p->o_arg.server = server; p->o_arg.bitmask = server->attr_bitmask; p->o_arg.claim = NFS4_OPEN_CLAIM_NULL; @@ -842,13 +842,15 @@ static void nfs4_opendata_free(struct kref *kref) { struct nfs4_opendata *p = container_of(kref, struct nfs4_opendata, kref); + struct super_block *sb = p->dentry->d_sb; nfs_free_seqid(p->o_arg.seqid); if (p->state != NULL) nfs4_put_open_state(p->state); nfs4_put_state_owner(p->owner); dput(p->dir); - path_put(&p->path); + dput(p->dentry); + nfs_sb_deactive(sb); kfree(p); } @@ -1130,7 +1132,7 @@ static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context { struct nfs4_opendata *opendata; - opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, 0, NULL, GFP_NOFS); + opendata = nfs4_opendata_alloc(ctx->dentry, state->owner, 0, 0, NULL, GFP_NOFS); if (opendata == NULL) return ERR_PTR(-ENOMEM); opendata->state = state; @@ -1154,7 +1156,7 @@ static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, fmode_t fmod newstate = nfs4_opendata_to_nfs4_state(opendata); if (IS_ERR(newstate)) return PTR_ERR(newstate); - nfs4_close_state(&opendata->path, newstate, fmode); + nfs4_close_state(newstate, fmode); *res = newstate; return 0; } @@ -1352,7 +1354,7 @@ static void nfs4_open_confirm_release(void *calldata) goto out_free; state = nfs4_opendata_to_nfs4_state(data); if (!IS_ERR(state)) - nfs4_close_state(&data->path, state, data->o_arg.fmode); + nfs4_close_state(state, data->o_arg.fmode); out_free: nfs4_opendata_put(data); } @@ -1497,7 +1499,7 @@ static void nfs4_open_release(void *calldata) goto out_free; state = nfs4_opendata_to_nfs4_state(data); if (!IS_ERR(state)) - nfs4_close_state(&data->path, state, data->o_arg.fmode); + nfs4_close_state(state, data->o_arg.fmode); out_free: nfs4_opendata_put(data); } @@ -1648,7 +1650,7 @@ static int _nfs4_open_expired(struct nfs_open_context *ctx, struct nfs4_state *s return PTR_ERR(opendata); ret = nfs4_open_recover(opendata, state); if (ret == -ESTALE) - d_drop(ctx->path.dentry); + d_drop(ctx->dentry); nfs4_opendata_put(opendata); return ret; } @@ -1706,7 +1708,7 @@ static inline void nfs4_exclusive_attrset(struct nfs4_opendata *opendata, struct /* * Returns a referenced nfs4_state */ -static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred, struct nfs4_state **res) +static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred, struct nfs4_state **res) { struct nfs4_state_owner *sp; struct nfs4_state *state = NULL; @@ -1723,15 +1725,15 @@ static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, in status = nfs4_recover_expired_lease(server); if (status != 0) goto err_put_state_owner; - if (path->dentry->d_inode != NULL) - nfs4_return_incompatible_delegation(path->dentry->d_inode, fmode); + if (dentry->d_inode != NULL) + nfs4_return_incompatible_delegation(dentry->d_inode, fmode); status = -ENOMEM; - opendata = nfs4_opendata_alloc(path, sp, fmode, flags, sattr, GFP_KERNEL); + opendata = nfs4_opendata_alloc(dentry, sp, fmode, flags, sattr, GFP_KERNEL); if (opendata == NULL) goto err_put_state_owner; - if (path->dentry->d_inode != NULL) - opendata->state = nfs4_get_open_state(path->dentry->d_inode, sp); + if (dentry->d_inode != NULL) + opendata->state = nfs4_get_open_state(dentry->d_inode, sp); status = _nfs4_proc_open(opendata); if (status != 0) @@ -1769,14 +1771,14 @@ out_err: } -static struct nfs4_state *nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred) +static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred) { struct nfs4_exception exception = { }; struct nfs4_state *res; int status; do { - status = _nfs4_do_open(dir, path, fmode, flags, sattr, cred, &res); + status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, cred, &res); if (status == 0) break; /* NOTE: BAD_SEQID means the server and client disagree about the @@ -1873,7 +1875,6 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred, } struct nfs4_closedata { - struct path path; struct inode *inode; struct nfs4_state *state; struct nfs_closeargs arg; @@ -1888,13 +1889,14 @@ static void nfs4_free_closedata(void *data) { struct nfs4_closedata *calldata = data; struct nfs4_state_owner *sp = calldata->state->owner; + struct super_block *sb = calldata->state->inode->i_sb; if (calldata->roc) pnfs_roc_release(calldata->state->inode); nfs4_put_open_state(calldata->state); nfs_free_seqid(calldata->arg.seqid); nfs4_put_state_owner(sp); - path_put(&calldata->path); + nfs_sb_deactive(sb); kfree(calldata); } @@ -2014,7 +2016,7 @@ static const struct rpc_call_ops nfs4_close_ops = { * * NOTE: Caller must be holding the sp->so_owner semaphore! */ -int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc) +int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc) { struct nfs_server *server = NFS_SERVER(state->inode); struct nfs4_closedata *calldata; @@ -2050,8 +2052,7 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, i calldata->res.seqid = calldata->arg.seqid; calldata->res.server = server; calldata->roc = roc; - path_get(path); - calldata->path = *path; + nfs_sb_active(calldata->inode->i_sb); msg.rpc_argp = &calldata->arg; msg.rpc_resp = &calldata->res; @@ -2080,7 +2081,7 @@ nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags struct nfs4_state *state; /* Protect against concurrent sillydeletes */ - state = nfs4_do_open(dir, &ctx->path, ctx->mode, open_flags, attr, ctx->cred); + state = nfs4_do_open(dir, ctx->dentry, ctx->mode, open_flags, attr, ctx->cred); if (IS_ERR(state)) return ERR_CAST(state); ctx->state = state; @@ -2092,9 +2093,9 @@ static void nfs4_close_context(struct nfs_open_context *ctx, int is_sync) if (ctx->state == NULL) return; if (is_sync) - nfs4_close_sync(&ctx->path, ctx->state, ctx->mode); + nfs4_close_sync(ctx->state, ctx->mode); else - nfs4_close_state(&ctx->path, ctx->state, ctx->mode); + nfs4_close_state(ctx->state, ctx->mode); } static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle) @@ -2616,10 +2617,7 @@ static int nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, int flags, struct nfs_open_context *ctx) { - struct path my_path = { - .dentry = dentry, - }; - struct path *path = &my_path; + struct dentry *de = dentry; struct nfs4_state *state; struct rpc_cred *cred = NULL; fmode_t fmode = 0; @@ -2627,11 +2625,11 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, if (ctx != NULL) { cred = ctx->cred; - path = &ctx->path; + de = ctx->dentry; fmode = ctx->mode; } sattr->ia_mode &= ~current_umask(); - state = nfs4_do_open(dir, path, fmode, flags, sattr, cred); + state = nfs4_do_open(dir, de, fmode, flags, sattr, cred); d_drop(dentry); if (IS_ERR(state)) { status = PTR_ERR(state); @@ -2642,7 +2640,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, if (ctx != NULL) ctx->state = state; else - nfs4_close_sync(path, state, fmode); + nfs4_close_sync(state, fmode); out: return status; } @@ -4294,7 +4292,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata) memcpy(data->lsp->ls_stateid.data, data->res.stateid.data, sizeof(data->lsp->ls_stateid.data)); data->lsp->ls_flags |= NFS_LOCK_INITIALIZED; - renew_lease(NFS_SERVER(data->ctx->path.dentry->d_inode), data->timestamp); + renew_lease(NFS_SERVER(data->ctx->dentry->d_inode), data->timestamp); } out: dprintk("%s: done, ret = %d!\n", __func__, data->rpc_status); diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index e97dd219f84f..7acfe8843626 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -641,7 +641,7 @@ void nfs4_put_open_state(struct nfs4_state *state) /* * Close the current file. */ -static void __nfs4_close(struct path *path, struct nfs4_state *state, +static void __nfs4_close(struct nfs4_state *state, fmode_t fmode, gfp_t gfp_mask, int wait) { struct nfs4_state_owner *owner = state->owner; @@ -685,18 +685,18 @@ static void __nfs4_close(struct path *path, struct nfs4_state *state, } else { bool roc = pnfs_roc(state->inode); - nfs4_do_close(path, state, gfp_mask, wait, roc); + nfs4_do_close(state, gfp_mask, wait, roc); } } -void nfs4_close_state(struct path *path, struct nfs4_state *state, fmode_t fmode) +void nfs4_close_state(struct nfs4_state *state, fmode_t fmode) { - __nfs4_close(path, state, fmode, GFP_NOFS, 0); + __nfs4_close(state, fmode, GFP_NOFS, 0); } -void nfs4_close_sync(struct path *path, struct nfs4_state *state, fmode_t fmode) +void nfs4_close_sync(struct nfs4_state *state, fmode_t fmode) { - __nfs4_close(path, state, fmode, GFP_KERNEL, 1); + __nfs4_close(state, fmode, GFP_KERNEL, 1); } /* diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 6870bc61ceec..e6e8f3b9a1de 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -91,7 +91,7 @@ static int nfs4_stat_to_errno(int); #define encode_getfh_maxsz (op_encode_hdr_maxsz) #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ ((3+NFS4_FHSIZE) >> 2)) -#define nfs4_fattr_bitmap_maxsz 3 +#define nfs4_fattr_bitmap_maxsz 4 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 009855716286..18449f43c568 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -114,7 +114,7 @@ int nfs_set_page_tag_locked(struct nfs_page *req) if (!nfs_lock_request_dontget(req)) return 0; if (test_bit(PG_MAPPED, &req->wb_flags)) - radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); + radix_tree_tag_set(&NFS_I(req->wb_context->dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); return 1; } @@ -124,7 +124,7 @@ int nfs_set_page_tag_locked(struct nfs_page *req) void nfs_clear_page_tag_locked(struct nfs_page *req) { if (test_bit(PG_MAPPED, &req->wb_flags)) { - struct inode *inode = req->wb_context->path.dentry->d_inode; + struct inode *inode = req->wb_context->dentry->d_inode; struct nfs_inode *nfsi = NFS_I(inode); spin_lock(&inode->i_lock); diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 20a7f952e244..a68679f538fc 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -144,7 +144,7 @@ int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode, static void nfs_readpage_release(struct nfs_page *req) { - struct inode *d_inode = req->wb_context->path.dentry->d_inode; + struct inode *d_inode = req->wb_context->dentry->d_inode; if (PageUptodate(req->wb_page)) nfs_readpage_to_fscache(d_inode, req->wb_page, 0); @@ -152,8 +152,8 @@ static void nfs_readpage_release(struct nfs_page *req) unlock_page(req->wb_page); dprintk("NFS: read done (%s/%Ld %d@%Ld)\n", - req->wb_context->path.dentry->d_inode->i_sb->s_id, - (long long)NFS_FILEID(req->wb_context->path.dentry->d_inode), + req->wb_context->dentry->d_inode->i_sb->s_id, + (long long)NFS_FILEID(req->wb_context->dentry->d_inode), req->wb_bytes, (long long)req_offset(req)); nfs_release_request(req); @@ -207,7 +207,7 @@ static int nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data, unsigned int count, unsigned int offset, struct pnfs_layout_segment *lseg) { - struct inode *inode = req->wb_context->path.dentry->d_inode; + struct inode *inode = req->wb_context->dentry->d_inode; data->req = req; data->inode = inode; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index ce40e5c568ba..b961ceac66b4 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2773,16 +2773,12 @@ static void nfs_referral_loop_unprotect(void) static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, const char *export_path) { - struct nameidata *nd = NULL; struct mnt_namespace *ns_private; struct super_block *s; struct dentry *dentry; + struct path path; int ret; - nd = kmalloc(sizeof(*nd), GFP_KERNEL); - if (nd == NULL) - return ERR_PTR(-ENOMEM); - ns_private = create_mnt_ns(root_mnt); ret = PTR_ERR(ns_private); if (IS_ERR(ns_private)) @@ -2793,7 +2789,7 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, goto out_put_mnt_ns; ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt, - export_path, LOOKUP_FOLLOW, nd); + export_path, LOOKUP_FOLLOW, &path); nfs_referral_loop_unprotect(); put_mnt_ns(ns_private); @@ -2801,12 +2797,11 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, if (ret != 0) goto out_err; - s = nd->path.mnt->mnt_sb; + s = path.mnt->mnt_sb; atomic_inc(&s->s_active); - dentry = dget(nd->path.dentry); + dentry = dget(path.dentry); - path_put(&nd->path); - kfree(nd); + path_put(&path); down_write(&s->s_umount); return dentry; out_put_mnt_ns: @@ -2814,7 +2809,6 @@ out_put_mnt_ns: out_mntput: mntput(root_mnt); out_err: - kfree(nd); return ERR_PTR(ret); } diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e268e3b23497..08579312c57b 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -409,7 +409,7 @@ out: */ static void nfs_inode_remove_request(struct nfs_page *req) { - struct inode *inode = req->wb_context->path.dentry->d_inode; + struct inode *inode = req->wb_context->dentry->d_inode; struct nfs_inode *nfsi = NFS_I(inode); BUG_ON (!NFS_WBACK_BUSY(req)); @@ -438,7 +438,7 @@ nfs_mark_request_dirty(struct nfs_page *req) static void nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg) { - struct inode *inode = req->wb_context->path.dentry->d_inode; + struct inode *inode = req->wb_context->dentry->d_inode; struct nfs_inode *nfsi = NFS_I(inode); spin_lock(&inode->i_lock); @@ -852,18 +852,20 @@ static int nfs_write_rpcsetup(struct nfs_page *req, struct pnfs_layout_segment *lseg, int how) { - struct inode *inode = req->wb_context->path.dentry->d_inode; + struct inode *inode = req->wb_context->dentry->d_inode; /* Set up the RPC argument and reply structs * NB: take care not to mess about with data->commit et al. */ data->req = req; - data->inode = inode = req->wb_context->path.dentry->d_inode; + data->inode = inode = req->wb_context->dentry->d_inode; data->cred = req->wb_context->cred; data->lseg = get_lseg(lseg); data->args.fh = NFS_FH(inode); data->args.offset = req_offset(req) + offset; + /* pnfs_set_layoutcommit needs this */ + data->mds_offset = data->args.offset; data->args.pgbase = req->wb_pgbase + offset; data->args.pages = data->pagevec; data->args.count = count; @@ -1051,9 +1053,9 @@ static void nfs_writeback_done_partial(struct rpc_task *task, void *calldata) dprintk("NFS: %5u write(%s/%lld %d@%lld)", task->tk_pid, - data->req->wb_context->path.dentry->d_inode->i_sb->s_id, + data->req->wb_context->dentry->d_inode->i_sb->s_id, (long long) - NFS_FILEID(data->req->wb_context->path.dentry->d_inode), + NFS_FILEID(data->req->wb_context->dentry->d_inode), data->req->wb_bytes, (long long)req_offset(data->req)); nfs_writeback_done(task, data); @@ -1146,8 +1148,8 @@ static void nfs_writeback_release_full(void *calldata) dprintk("NFS: %5u write (%s/%lld %d@%lld)", data->task.tk_pid, - req->wb_context->path.dentry->d_inode->i_sb->s_id, - (long long)NFS_FILEID(req->wb_context->path.dentry->d_inode), + req->wb_context->dentry->d_inode->i_sb->s_id, + (long long)NFS_FILEID(req->wb_context->dentry->d_inode), req->wb_bytes, (long long)req_offset(req)); @@ -1345,7 +1347,7 @@ void nfs_init_commit(struct nfs_write_data *data, struct pnfs_layout_segment *lseg) { struct nfs_page *first = nfs_list_entry(head->next); - struct inode *inode = first->wb_context->path.dentry->d_inode; + struct inode *inode = first->wb_context->dentry->d_inode; /* Set up the RPC argument and reply structs * NB: take care not to mess about with data->commit et al. */ @@ -1433,8 +1435,8 @@ void nfs_commit_release_pages(struct nfs_write_data *data) nfs_clear_request_commit(req); dprintk("NFS: commit (%s/%lld %d@%lld)", - req->wb_context->path.dentry->d_inode->i_sb->s_id, - (long long)NFS_FILEID(req->wb_context->path.dentry->d_inode), + req->wb_context->dentry->d_sb->s_id, + (long long)NFS_FILEID(req->wb_context->dentry->d_inode), req->wb_bytes, (long long)req_offset(req)); if (status < 0) { |