diff options
Diffstat (limited to 'fs/afs')
-rw-r--r-- | fs/afs/afs_vl.h | 2 | ||||
-rw-r--r-- | fs/afs/dir.c | 8 | ||||
-rw-r--r-- | fs/afs/fsclient.c | 3 | ||||
-rw-r--r-- | fs/afs/inode.c | 10 | ||||
-rw-r--r-- | fs/afs/internal.h | 4 | ||||
-rw-r--r-- | fs/afs/security.c | 6 | ||||
-rw-r--r-- | fs/afs/super.c | 74 | ||||
-rw-r--r-- | fs/afs/write.c | 39 |
8 files changed, 73 insertions, 73 deletions
diff --git a/fs/afs/afs_vl.h b/fs/afs/afs_vl.h index 8bbefe009ed4..800f607ffaf5 100644 --- a/fs/afs/afs_vl.h +++ b/fs/afs/afs_vl.h @@ -49,7 +49,7 @@ enum AFSVL_Errors { AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */ AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */ AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */ - AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server °ag */ + AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */ AFSVL_PERM = 363546, /* No permission access */ AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */ }; diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 20c106f24927..1b0b19550015 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -584,11 +584,11 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry, success: d_add(dentry, inode); - _leave(" = 0 { vn=%u u=%u } -> { ino=%lu v=%llu }", + _leave(" = 0 { vn=%u u=%u } -> { ino=%lu v=%u }", fid.vnode, fid.unique, dentry->d_inode->i_ino, - (unsigned long long)dentry->d_inode->i_version); + dentry->d_inode->i_generation); return NULL; } @@ -671,10 +671,10 @@ static int afs_d_revalidate(struct dentry *dentry, struct nameidata *nd) * been deleted and replaced, and the original vnode ID has * been reused */ if (fid.unique != vnode->fid.unique) { - _debug("%s: file deleted (uq %u -> %u I:%llu)", + _debug("%s: file deleted (uq %u -> %u I:%u)", dentry->d_name.name, fid.unique, vnode->fid.unique, - (unsigned long long)dentry->d_inode->i_version); + dentry->d_inode->i_generation); spin_lock(&vnode->lock); set_bit(AFS_VNODE_DELETED, &vnode->flags); spin_unlock(&vnode->lock); diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c index 4bd0218473a9..346e3289abd7 100644 --- a/fs/afs/fsclient.c +++ b/fs/afs/fsclient.c @@ -89,7 +89,7 @@ static void xdr_decode_AFSFetchStatus(const __be32 **_bp, i_size_write(&vnode->vfs_inode, size); vnode->vfs_inode.i_uid = status->owner; vnode->vfs_inode.i_gid = status->group; - vnode->vfs_inode.i_version = vnode->fid.unique; + vnode->vfs_inode.i_generation = vnode->fid.unique; vnode->vfs_inode.i_nlink = status->nlink; mode = vnode->vfs_inode.i_mode; @@ -102,6 +102,7 @@ static void xdr_decode_AFSFetchStatus(const __be32 **_bp, vnode->vfs_inode.i_ctime.tv_sec = status->mtime_server; vnode->vfs_inode.i_mtime = vnode->vfs_inode.i_ctime; vnode->vfs_inode.i_atime = vnode->vfs_inode.i_ctime; + vnode->vfs_inode.i_version = data_version; } expected_version = status->data_version; diff --git a/fs/afs/inode.c b/fs/afs/inode.c index db66c5201474..0fdab6e03d87 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -75,7 +75,8 @@ static int afs_inode_map_status(struct afs_vnode *vnode, struct key *key) inode->i_ctime.tv_nsec = 0; inode->i_atime = inode->i_mtime = inode->i_ctime; inode->i_blocks = 0; - inode->i_version = vnode->fid.unique; + inode->i_generation = vnode->fid.unique; + inode->i_version = vnode->status.data_version; inode->i_mapping->a_ops = &afs_fs_aops; /* check to see whether a symbolic link is really a mountpoint */ @@ -100,7 +101,7 @@ static int afs_iget5_test(struct inode *inode, void *opaque) struct afs_iget_data *data = opaque; return inode->i_ino == data->fid.vnode && - inode->i_version == data->fid.unique; + inode->i_generation == data->fid.unique; } /* @@ -122,7 +123,7 @@ static int afs_iget5_set(struct inode *inode, void *opaque) struct afs_vnode *vnode = AFS_FS_I(inode); inode->i_ino = data->fid.vnode; - inode->i_version = data->fid.unique; + inode->i_generation = data->fid.unique; vnode->fid = data->fid; vnode->volume = data->volume; @@ -380,8 +381,7 @@ int afs_getattr(struct vfsmount *mnt, struct dentry *dentry, inode = dentry->d_inode; - _enter("{ ino=%lu v=%llu }", inode->i_ino, - (unsigned long long)inode->i_version); + _enter("{ ino=%lu v=%u }", inode->i_ino, inode->i_generation); generic_fillattr(inode, stat); return 0; diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 5a9b6843bac1..d2b0888126d4 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -627,7 +627,7 @@ extern void afs_clear_permits(struct afs_vnode *); extern void afs_cache_permit(struct afs_vnode *, struct key *, long); extern void afs_zap_permits(struct rcu_head *); extern struct key *afs_request_key(struct afs_cell *); -extern int afs_permission(struct inode *, int, unsigned int); +extern int afs_permission(struct inode *, int); /* * server.c @@ -750,7 +750,7 @@ extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *); extern ssize_t afs_file_write(struct kiocb *, const struct iovec *, unsigned long, loff_t); extern int afs_writeback_all(struct afs_vnode *); -extern int afs_fsync(struct file *, int); +extern int afs_fsync(struct file *, loff_t, loff_t, int); /*****************************************************************************/ diff --git a/fs/afs/security.c b/fs/afs/security.c index f44b9d355377..8d010422dc89 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -285,14 +285,14 @@ static int afs_check_permit(struct afs_vnode *vnode, struct key *key, * - AFS ACLs are attached to directories only, and a file is controlled by its * parent directory's ACL */ -int afs_permission(struct inode *inode, int mask, unsigned int flags) +int afs_permission(struct inode *inode, int mask) { struct afs_vnode *vnode = AFS_FS_I(inode); afs_access_t uninitialized_var(access); struct key *key; int ret; - if (flags & IPERM_FLAG_RCU) + if (mask & MAY_NOT_BLOCK) return -ECHILD; _enter("{{%x:%u},%lx},%x,", @@ -350,7 +350,7 @@ int afs_permission(struct inode *inode, int mask, unsigned int flags) } key_put(key); - ret = generic_permission(inode, mask, flags, NULL); + ret = generic_permission(inode, mask); _leave(" = %d", ret); return ret; diff --git a/fs/afs/super.c b/fs/afs/super.c index fb240e8766d6..356dcf0929e8 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -31,8 +31,8 @@ static void afs_i_init_once(void *foo); static struct dentry *afs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data); +static void afs_kill_super(struct super_block *sb); static struct inode *afs_alloc_inode(struct super_block *sb); -static void afs_put_super(struct super_block *sb); static void afs_destroy_inode(struct inode *inode); static int afs_statfs(struct dentry *dentry, struct kstatfs *buf); @@ -40,7 +40,7 @@ struct file_system_type afs_fs_type = { .owner = THIS_MODULE, .name = "afs", .mount = afs_mount, - .kill_sb = kill_anon_super, + .kill_sb = afs_kill_super, .fs_flags = 0, }; @@ -50,7 +50,6 @@ static const struct super_operations afs_super_ops = { .drop_inode = afs_drop_inode, .destroy_inode = afs_destroy_inode, .evict_inode = afs_evict_inode, - .put_super = afs_put_super, .show_options = generic_show_options, }; @@ -282,19 +281,25 @@ static int afs_parse_device_name(struct afs_mount_params *params, */ static int afs_test_super(struct super_block *sb, void *data) { - struct afs_mount_params *params = data; + struct afs_super_info *as1 = data; struct afs_super_info *as = sb->s_fs_info; - return as->volume == params->volume; + return as->volume == as1->volume; +} + +static int afs_set_super(struct super_block *sb, void *data) +{ + sb->s_fs_info = data; + return set_anon_super(sb, NULL); } /* * fill in the superblock */ -static int afs_fill_super(struct super_block *sb, void *data) +static int afs_fill_super(struct super_block *sb, + struct afs_mount_params *params) { - struct afs_mount_params *params = data; - struct afs_super_info *as = NULL; + struct afs_super_info *as = sb->s_fs_info; struct afs_fid fid; struct dentry *root = NULL; struct inode *inode = NULL; @@ -302,23 +307,13 @@ static int afs_fill_super(struct super_block *sb, void *data) _enter(""); - /* allocate a superblock info record */ - as = kzalloc(sizeof(struct afs_super_info), GFP_KERNEL); - if (!as) { - _leave(" = -ENOMEM"); - return -ENOMEM; - } - - afs_get_volume(params->volume); - as->volume = params->volume; - /* fill in the superblock */ sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize_bits = PAGE_CACHE_SHIFT; sb->s_magic = AFS_FS_MAGIC; sb->s_op = &afs_super_ops; - sb->s_fs_info = as; sb->s_bdi = &as->volume->bdi; + strlcpy(sb->s_id, as->volume->vlocation->vldb.name, sizeof(sb->s_id)); /* allocate the root inode and dentry */ fid.vid = as->volume->vid; @@ -326,7 +321,7 @@ static int afs_fill_super(struct super_block *sb, void *data) fid.unique = 1; inode = afs_iget(sb, params->key, &fid, NULL, NULL); if (IS_ERR(inode)) - goto error_inode; + return PTR_ERR(inode); if (params->autocell) set_bit(AFS_VNODE_AUTOCELL, &AFS_FS_I(inode)->flags); @@ -342,16 +337,8 @@ static int afs_fill_super(struct super_block *sb, void *data) _leave(" = 0"); return 0; -error_inode: - ret = PTR_ERR(inode); - inode = NULL; error: iput(inode); - afs_put_volume(as->volume); - kfree(as); - - sb->s_fs_info = NULL; - _leave(" = %d", ret); return ret; } @@ -367,6 +354,7 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, struct afs_volume *vol; struct key *key; char *new_opts = kstrdup(options, GFP_KERNEL); + struct afs_super_info *as; int ret; _enter(",,%s,%p", dev_name, options); @@ -399,12 +387,22 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, ret = PTR_ERR(vol); goto error; } - params.volume = vol; + + /* allocate a superblock info record */ + as = kzalloc(sizeof(struct afs_super_info), GFP_KERNEL); + if (!as) { + ret = -ENOMEM; + afs_put_volume(vol); + goto error; + } + as->volume = vol; /* allocate a deviceless superblock */ - sb = sget(fs_type, afs_test_super, set_anon_super, ¶ms); + sb = sget(fs_type, afs_test_super, afs_set_super, as); if (IS_ERR(sb)) { ret = PTR_ERR(sb); + afs_put_volume(vol); + kfree(as); goto error; } @@ -422,16 +420,16 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, } else { _debug("reuse"); ASSERTCMP(sb->s_flags, &, MS_ACTIVE); + afs_put_volume(vol); + kfree(as); } - afs_put_volume(params.volume); afs_put_cell(params.cell); kfree(new_opts); _leave(" = 0 [%p]", sb); return dget(sb->s_root); error: - afs_put_volume(params.volume); afs_put_cell(params.cell); key_put(params.key); kfree(new_opts); @@ -439,18 +437,12 @@ error: return ERR_PTR(ret); } -/* - * finish the unmounting process on the superblock - */ -static void afs_put_super(struct super_block *sb) +static void afs_kill_super(struct super_block *sb) { struct afs_super_info *as = sb->s_fs_info; - - _enter(""); - + kill_anon_super(sb); afs_put_volume(as->volume); - - _leave(""); + kfree(as); } /* diff --git a/fs/afs/write.c b/fs/afs/write.c index 789b3afb3423..9aa52d93c73c 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -84,23 +84,21 @@ void afs_put_writeback(struct afs_writeback *wb) * partly or wholly fill a page that's under preparation for writing */ static int afs_fill_page(struct afs_vnode *vnode, struct key *key, - loff_t pos, unsigned len, struct page *page) + loff_t pos, struct page *page) { loff_t i_size; - unsigned eof; int ret; + int len; - _enter(",,%llu,%u", (unsigned long long)pos, len); - - ASSERTCMP(len, <=, PAGE_CACHE_SIZE); + _enter(",,%llu", (unsigned long long)pos); i_size = i_size_read(&vnode->vfs_inode); - if (pos + len > i_size) - eof = i_size; + if (pos + PAGE_CACHE_SIZE > i_size) + len = i_size - pos; else - eof = PAGE_CACHE_SIZE; + len = PAGE_CACHE_SIZE; - ret = afs_vnode_fetch_data(vnode, key, 0, eof, page); + ret = afs_vnode_fetch_data(vnode, key, pos, len, page); if (ret < 0) { if (ret == -ENOENT) { _debug("got NOENT from server" @@ -153,9 +151,8 @@ int afs_write_begin(struct file *file, struct address_space *mapping, *pagep = page; /* page won't leak in error case: it eventually gets cleaned off LRU */ - if (!PageUptodate(page)) { - _debug("not up to date"); - ret = afs_fill_page(vnode, key, pos, len, page); + if (!PageUptodate(page) && len != PAGE_CACHE_SIZE) { + ret = afs_fill_page(vnode, key, index << PAGE_CACHE_SHIFT, page); if (ret < 0) { kfree(candidate); _leave(" = %d [prep]", ret); @@ -684,9 +681,10 @@ int afs_writeback_all(struct afs_vnode *vnode) * - the return status from this call provides a reliable indication of * whether any write errors occurred for this process. */ -int afs_fsync(struct file *file, int datasync) +int afs_fsync(struct file *file, loff_t start, loff_t end, int datasync) { struct dentry *dentry = file->f_path.dentry; + struct inode *inode = file->f_mapping->host; struct afs_writeback *wb, *xwb; struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode); int ret; @@ -695,12 +693,19 @@ int afs_fsync(struct file *file, int datasync) vnode->fid.vid, vnode->fid.vnode, 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); + /* use a writeback record as a marker in the queue - when this reaches * the front of the queue, all the outstanding writes are either * completed or rejected */ wb = kzalloc(sizeof(*wb), GFP_KERNEL); - if (!wb) - return -ENOMEM; + if (!wb) { + ret = -ENOMEM; + goto out; + } wb->vnode = vnode; wb->first = 0; wb->last = -1; @@ -723,7 +728,7 @@ int afs_fsync(struct file *file, int datasync) if (ret < 0) { afs_put_writeback(wb); _leave(" = %d [wb]", ret); - return ret; + goto out; } /* wait for the preceding writes to actually complete */ @@ -732,6 +737,8 @@ int afs_fsync(struct file *file, int datasync) vnode->writebacks.next == &wb->link); afs_put_writeback(wb); _leave(" = %d", ret); +out: + mutex_unlock(&inode->i_mutex); return ret; } |