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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-15 19:46:05 +0200 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-15 19:47:35 +0200 |
commit | f4921aff5b174349bc36551f142a5dbac782ea3f (patch) | |
tree | bdff8ca1531977ad1d04ac8d70e10f8dfbb26c38 /fs/nfs/inode.c | |
parent | Merge branch 'v2.6.24-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
parent | NFSv4: Fix a typo in nfs_inode_reclaim_delegation (diff) | |
download | linux-f4921aff5b174349bc36551f142a5dbac782ea3f.tar.xz linux-f4921aff5b174349bc36551f142a5dbac782ea3f.zip |
Merge git://git.linux-nfs.org/pub/linux/nfs-2.6
* git://git.linux-nfs.org/pub/linux/nfs-2.6: (131 commits)
NFSv4: Fix a typo in nfs_inode_reclaim_delegation
NFS: Add a boot parameter to disable 64 bit inode numbers
NFS: nfs_refresh_inode should clear cache_validity flags on success
NFS: Fix a connectathon regression in NFSv3 and NFSv4
NFS: Use nfs_refresh_inode() in ops that aren't expected to change the inode
SUNRPC: Don't call xprt_release in call refresh
SUNRPC: Don't call xprt_release() if call_allocate fails
SUNRPC: Fix buggy UDP transmission
[23/37] Clean up duplicate includes in
[2.6 patch] net/sunrpc/rpcb_clnt.c: make struct rpcb_program static
SUNRPC: Use correct type in buffer length calculations
SUNRPC: Fix default hostname created in rpc_create()
nfs: add server port to rpc_pipe info file
NFS: Get rid of some obsolete macros
NFS: Simplify filehandle revalidation
NFS: Ensure that nfs_link() returns a hashed dentry
NFS: Be strict about dentry revalidation when doing exclusive create
NFS: Don't zap the readdir caches upon error
NFS: Remove the redundant nfs_reval_fsid()
NFSv3: Always use directory post-op attributes in nfs3_proc_lookup
...
Fix up trivial conflict due to sock_owned_by_user() cleanup manually in
net/sunrpc/xprtsock.c
Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r-- | fs/nfs/inode.c | 273 |
1 files changed, 142 insertions, 131 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 71a49c3acabd..035c769b715e 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -49,6 +49,11 @@ #define NFSDBG_FACILITY NFSDBG_VFS +#define NFS_64_BIT_INODE_NUMBERS_ENABLED 1 + +/* Default is to see 64-bit inode numbers */ +static int enable_ino64 = NFS_64_BIT_INODE_NUMBERS_ENABLED; + static void nfs_invalidate_inode(struct inode *); static int nfs_update_inode(struct inode *, struct nfs_fattr *); @@ -62,6 +67,25 @@ nfs_fattr_to_ino_t(struct nfs_fattr *fattr) return nfs_fileid_to_ino_t(fattr->fileid); } +/** + * nfs_compat_user_ino64 - returns the user-visible inode number + * @fileid: 64-bit fileid + * + * This function returns a 32-bit inode number if the boot parameter + * nfs.enable_ino64 is zero. + */ +u64 nfs_compat_user_ino64(u64 fileid) +{ + int ino; + + if (enable_ino64) + return fileid; + ino = fileid; + if (sizeof(ino) < sizeof(fileid)) + ino ^= fileid >> (sizeof(fileid)-sizeof(ino)) * 8; + return ino; +} + int nfs_write_inode(struct inode *inode, int sync) { int ret; @@ -85,7 +109,6 @@ void nfs_clear_inode(struct inode *inode) */ BUG_ON(nfs_have_writebacks(inode)); BUG_ON(!list_empty(&NFS_I(inode)->open_files)); - BUG_ON(atomic_read(&NFS_I(inode)->data_updates) != 0); nfs_zap_acl_cache(inode); nfs_access_zap_cache(inode); } @@ -118,8 +141,8 @@ static void nfs_zap_caches_locked(struct inode *inode) nfs_inc_stats(inode, NFSIOS_ATTRINVALIDATE); - NFS_ATTRTIMEO(inode) = NFS_MINATTRTIMEO(inode); - NFS_ATTRTIMEO_UPDATE(inode) = jiffies; + nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); + nfsi->attrtimeo_timestamp = jiffies; memset(NFS_COOKIEVERF(inode), 0, sizeof(NFS_COOKIEVERF(inode))); if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) @@ -156,6 +179,13 @@ static void nfs_zap_acl_cache(struct inode *inode) spin_unlock(&inode->i_lock); } +void nfs_invalidate_atime(struct inode *inode) +{ + spin_lock(&inode->i_lock); + NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATIME; + spin_unlock(&inode->i_lock); +} + /* * Invalidate, but do not unhash, the inode. * NB: must be called with inode->i_lock held! @@ -338,7 +368,6 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr) return 0; lock_kernel(); - nfs_begin_data_update(inode); /* Write all dirty data */ if (S_ISREG(inode->i_mode)) { filemap_write_and_wait(inode->i_mapping); @@ -352,7 +381,6 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr) error = NFS_PROTO(inode)->setattr(dentry, &fattr, attr); if (error == 0) nfs_refresh_inode(inode, &fattr); - nfs_end_data_update(inode); unlock_kernel(); return error; } @@ -431,7 +459,7 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) /* Flush out writes to the server in order to update c/mtime */ if (S_ISREG(inode->i_mode)) - nfs_sync_mapping_range(inode->i_mapping, 0, 0, FLUSH_NOCOMMIT); + nfs_wb_nocommit(inode); /* * We may force a getattr if the user cares about atime. @@ -450,8 +478,10 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) err = __nfs_revalidate_inode(NFS_SERVER(inode), inode); else err = nfs_revalidate_inode(NFS_SERVER(inode), inode); - if (!err) + if (!err) { generic_fillattr(inode, stat); + stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode)); + } return err; } @@ -536,7 +566,7 @@ struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_c static void nfs_file_clear_open_context(struct file *filp) { struct inode *inode = filp->f_path.dentry->d_inode; - struct nfs_open_context *ctx = (struct nfs_open_context *)filp->private_data; + struct nfs_open_context *ctx = nfs_file_open_context(filp); if (ctx) { filp->private_data = NULL; @@ -598,16 +628,10 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode) status = nfs_wait_on_inode(inode); if (status < 0) goto out; - if (NFS_STALE(inode)) { - status = -ESTALE; - /* Do we trust the cached ESTALE? */ - if (NFS_ATTRTIMEO(inode) != 0) { - if (nfsi->cache_validity & (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME)) { - /* no */ - } else - goto out; - } - } + + status = -ESTALE; + if (NFS_STALE(inode)) + goto out; status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr); if (status != 0) { @@ -654,7 +678,7 @@ int nfs_attribute_timeout(struct inode *inode) if (nfs_have_delegation(inode, FMODE_READ)) return 0; - return time_after(jiffies, nfsi->read_cache_jiffies+nfsi->attrtimeo); + return !time_in_range(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo); } /** @@ -683,11 +707,8 @@ static int nfs_invalidate_mapping_nolock(struct inode *inode, struct address_spa } spin_lock(&inode->i_lock); nfsi->cache_validity &= ~NFS_INO_INVALID_DATA; - if (S_ISDIR(inode->i_mode)) { + if (S_ISDIR(inode->i_mode)) memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf)); - /* This ensures we revalidate child dentries */ - nfsi->cache_change_attribute = jiffies; - } spin_unlock(&inode->i_lock); nfs_inc_stats(inode, NFSIOS_DATAINVALIDATE); dfprintk(PAGECACHE, "NFS: (%s/%Ld) data cache invalidated\n", @@ -756,56 +777,27 @@ out: return ret; } -/** - * nfs_begin_data_update - * @inode - pointer to inode - * Declare that a set of operations will update file data on the server - */ -void nfs_begin_data_update(struct inode *inode) -{ - atomic_inc(&NFS_I(inode)->data_updates); -} - -/** - * nfs_end_data_update - * @inode - pointer to inode - * Declare end of the operations that will update file data - * This will mark the inode as immediately needing revalidation - * of its attribute cache. - */ -void nfs_end_data_update(struct inode *inode) -{ - struct nfs_inode *nfsi = NFS_I(inode); - - /* Directories: invalidate page cache */ - if (S_ISDIR(inode->i_mode)) { - spin_lock(&inode->i_lock); - nfsi->cache_validity |= NFS_INO_INVALID_DATA; - spin_unlock(&inode->i_lock); - } - nfsi->cache_change_attribute = jiffies; - atomic_dec(&nfsi->data_updates); -} - static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr) { struct nfs_inode *nfsi = NFS_I(inode); - unsigned long now = jiffies; + if ((fattr->valid & NFS_ATTR_WCC_V4) != 0 && + nfsi->change_attr == fattr->pre_change_attr) { + nfsi->change_attr = fattr->change_attr; + if (S_ISDIR(inode->i_mode)) + nfsi->cache_validity |= NFS_INO_INVALID_DATA; + } /* If we have atomic WCC data, we may update some attributes */ if ((fattr->valid & NFS_ATTR_WCC) != 0) { - if (timespec_equal(&inode->i_ctime, &fattr->pre_ctime)) { + if (timespec_equal(&inode->i_ctime, &fattr->pre_ctime)) memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime)); - nfsi->cache_change_attribute = now; - } if (timespec_equal(&inode->i_mtime, &fattr->pre_mtime)) { memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime)); - nfsi->cache_change_attribute = now; + if (S_ISDIR(inode->i_mode)) + nfsi->cache_validity |= NFS_INO_INVALID_DATA; } - if (inode->i_size == fattr->pre_size && nfsi->npages == 0) { + if (inode->i_size == fattr->pre_size && nfsi->npages == 0) inode->i_size = fattr->size; - nfsi->cache_change_attribute = now; - } } } @@ -822,7 +814,7 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat { struct nfs_inode *nfsi = NFS_I(inode); loff_t cur_size, new_isize; - int data_unstable; + unsigned long invalid = 0; /* Has the inode gone and changed behind our back? */ @@ -831,37 +823,41 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat return -EIO; } - /* Are we in the process of updating data on the server? */ - data_unstable = nfs_caches_unstable(inode); - /* Do atomic weak cache consistency updates */ nfs_wcc_update_inode(inode, fattr); if ((fattr->valid & NFS_ATTR_FATTR_V4) != 0 && nfsi->change_attr != fattr->change_attr) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; /* Verify a few of the more important attributes */ if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; cur_size = i_size_read(inode); new_isize = nfs_size_to_loff_t(fattr->size); if (cur_size != new_isize && nfsi->npages == 0) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; /* Have any file permissions changed? */ if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) || inode->i_uid != fattr->uid || inode->i_gid != fattr->gid) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; + invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL; /* Has the link count changed? */ if (inode->i_nlink != fattr->nlink) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR; + invalid |= NFS_INO_INVALID_ATTR; if (!timespec_equal(&inode->i_atime, &fattr->atime)) - nfsi->cache_validity |= NFS_INO_INVALID_ATIME; + invalid |= NFS_INO_INVALID_ATIME; + + if (invalid != 0) + nfsi->cache_validity |= invalid; + else + nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR + | NFS_INO_INVALID_ATIME + | NFS_INO_REVAL_PAGECACHE); nfsi->read_cache_jiffies = fattr->time_start; return 0; @@ -911,17 +907,41 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr) int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr) { struct nfs_inode *nfsi = NFS_I(inode); - int status = 0; spin_lock(&inode->i_lock); - if (unlikely((fattr->valid & NFS_ATTR_FATTR) == 0)) { - nfsi->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; - goto out; - } - status = nfs_update_inode(inode, fattr); -out: + nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + if (S_ISDIR(inode->i_mode)) + nfsi->cache_validity |= NFS_INO_INVALID_DATA; spin_unlock(&inode->i_lock); - return status; + return nfs_refresh_inode(inode, fattr); +} + +/** + * nfs_post_op_update_inode_force_wcc - try to update the inode attribute cache + * @inode - pointer to inode + * @fattr - updated attributes + * + * After an operation that has changed the inode metadata, mark the + * attribute cache as being invalid, then try to update it. Fake up + * weak cache consistency data, if none exist. + * + * This function is mainly designed to be used by the ->write_done() functions. + */ +int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr) +{ + if ((fattr->valid & NFS_ATTR_FATTR_V4) != 0 && + (fattr->valid & NFS_ATTR_WCC_V4) == 0) { + fattr->pre_change_attr = NFS_I(inode)->change_attr; + fattr->valid |= NFS_ATTR_WCC_V4; + } + if ((fattr->valid & NFS_ATTR_FATTR) != 0 && + (fattr->valid & NFS_ATTR_WCC) == 0) { + memcpy(&fattr->pre_ctime, &inode->i_ctime, sizeof(fattr->pre_ctime)); + memcpy(&fattr->pre_mtime, &inode->i_mtime, sizeof(fattr->pre_mtime)); + fattr->pre_size = inode->i_size; + fattr->valid |= NFS_ATTR_WCC; + } + return nfs_post_op_update_inode(inode, fattr); } /* @@ -941,9 +961,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) struct nfs_server *server; struct nfs_inode *nfsi = NFS_I(inode); loff_t cur_isize, new_isize; - unsigned int invalid = 0; + unsigned long invalid = 0; unsigned long now = jiffies; - int data_stable; dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n", __FUNCTION__, inode->i_sb->s_id, inode->i_ino, @@ -968,57 +987,51 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) * Update the read time so we don't revalidate too often. */ nfsi->read_cache_jiffies = fattr->time_start; - nfsi->last_updated = now; - /* Fix a wraparound issue with nfsi->cache_change_attribute */ - if (time_before(now, nfsi->cache_change_attribute)) - nfsi->cache_change_attribute = now - 600*HZ; - - /* Are we racing with known updates of the metadata on the server? */ - data_stable = nfs_verify_change_attribute(inode, fattr->time_start); - if (data_stable) - nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATIME); + nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ATIME + | NFS_INO_REVAL_PAGECACHE); /* Do atomic weak cache consistency updates */ nfs_wcc_update_inode(inode, fattr); + /* More cache consistency checks */ + if (!(fattr->valid & NFS_ATTR_FATTR_V4)) { + /* NFSv2/v3: Check if the mtime agrees */ + if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) { + dprintk("NFS: mtime change on server for file %s/%ld\n", + inode->i_sb->s_id, inode->i_ino); + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; + nfsi->cache_change_attribute = now; + } + /* If ctime has changed we should definitely clear access+acl caches */ + if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) + invalid |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; + } else if (nfsi->change_attr != fattr->change_attr) { + dprintk("NFS: change_attr change on server for file %s/%ld\n", + inode->i_sb->s_id, inode->i_ino); + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; + nfsi->cache_change_attribute = now; + } + /* Check if our cached file size is stale */ new_isize = nfs_size_to_loff_t(fattr->size); cur_isize = i_size_read(inode); if (new_isize != cur_isize) { - /* Do we perhaps have any outstanding writes? */ - if (nfsi->npages == 0) { - /* No, but did we race with nfs_end_data_update()? */ - if (data_stable) { - inode->i_size = new_isize; - invalid |= NFS_INO_INVALID_DATA; - } - invalid |= NFS_INO_INVALID_ATTR; - } else if (new_isize > cur_isize) { + /* Do we perhaps have any outstanding writes, or has + * the file grown beyond our last write? */ + if (nfsi->npages == 0 || new_isize > cur_isize) { inode->i_size = new_isize; invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; } - nfsi->cache_change_attribute = now; dprintk("NFS: isize change on server for file %s/%ld\n", inode->i_sb->s_id, inode->i_ino); } - /* Check if the mtime agrees */ - if (!timespec_equal(&inode->i_mtime, &fattr->mtime)) { - memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime)); - dprintk("NFS: mtime change on server for file %s/%ld\n", - inode->i_sb->s_id, inode->i_ino); - invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; - nfsi->cache_change_attribute = now; - } - /* If ctime has changed we should definitely clear access+acl caches */ - if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) { - invalid |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; - memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime)); - nfsi->cache_change_attribute = now; - } + memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime)); + memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime)); memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime)); + nfsi->change_attr = fattr->change_attr; if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) || inode->i_uid != fattr->uid || @@ -1039,31 +1052,29 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) inode->i_blocks = fattr->du.nfs2.blocks; } - if ((fattr->valid & NFS_ATTR_FATTR_V4) != 0 && - nfsi->change_attr != fattr->change_attr) { - dprintk("NFS: change_attr change on server for file %s/%ld\n", - inode->i_sb->s_id, inode->i_ino); - nfsi->change_attr = fattr->change_attr; - invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; - nfsi->cache_change_attribute = now; - } - /* Update attrtimeo value if we're out of the unstable period */ if (invalid & NFS_INO_INVALID_ATTR) { nfs_inc_stats(inode, NFSIOS_ATTRINVALIDATE); nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); nfsi->attrtimeo_timestamp = now; - } else if (time_after(now, nfsi->attrtimeo_timestamp+nfsi->attrtimeo)) { - if ((nfsi->attrtimeo <<= 1) > NFS_MAXATTRTIMEO(inode)) - nfsi->attrtimeo = NFS_MAXATTRTIMEO(inode); - nfsi->attrtimeo_timestamp = now; + nfsi->last_updated = now; + } else { + if (!time_in_range(now, nfsi->attrtimeo_timestamp, nfsi->attrtimeo_timestamp + nfsi->attrtimeo)) { + if ((nfsi->attrtimeo <<= 1) > NFS_MAXATTRTIMEO(inode)) + nfsi->attrtimeo = NFS_MAXATTRTIMEO(inode); + nfsi->attrtimeo_timestamp = now; + } + /* + * Avoid jiffy wraparound issues with nfsi->last_updated + */ + if (!time_in_range(nfsi->last_updated, nfsi->read_cache_jiffies, now)) + nfsi->last_updated = nfsi->read_cache_jiffies; } + invalid &= ~NFS_INO_INVALID_ATTR; /* Don't invalidate the data if we were to blame */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) invalid &= ~NFS_INO_INVALID_DATA; - if (data_stable) - invalid &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME|NFS_INO_REVAL_PAGECACHE); if (!nfs_have_delegation(inode, FMODE_READ) || (nfsi->cache_validity & NFS_INO_REVAL_FORCED)) nfsi->cache_validity |= invalid; @@ -1152,7 +1163,6 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag INIT_LIST_HEAD(&nfsi->access_cache_entry_lru); INIT_LIST_HEAD(&nfsi->access_cache_inode_lru); INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC); - atomic_set(&nfsi->data_updates, 0); nfsi->ncommit = 0; nfsi->npages = 0; nfs4_init_once(nfsi); @@ -1249,6 +1259,7 @@ static void __exit exit_nfs_fs(void) /* Not quite true; I just maintain it */ MODULE_AUTHOR("Olaf Kirch <okir@monad.swb.de>"); MODULE_LICENSE("GPL"); +module_param(enable_ino64, bool, 0644); module_init(init_nfs_fs) module_exit(exit_nfs_fs) |