diff options
author | David Howells <dhowells@redhat.com> | 2015-03-17 22:25:59 (GMT) |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-15 19:06:57 (GMT) |
commit | 2b0143b5c986be1ce8408b3aadc4709e0a94429d (patch) | |
tree | 98b1dee70f3d5d9ac9309f4638e41864ddcd0952 /fs/reiserfs/xattr.c | |
parent | ce0b16ddf18df35026164fda4a642ef10c01f442 (diff) | |
download | linux-2b0143b5c986be1ce8408b3aadc4709e0a94429d.tar.xz |
VFS: normal filesystems (and lustre): d_inode() annotations
that's the bulk of filesystem drivers dealing with inodes of their own
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/reiserfs/xattr.c')
-rw-r--r-- | fs/reiserfs/xattr.c | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 4e781e6..e87f9b5 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -87,9 +87,9 @@ static int xattr_unlink(struct inode *dir, struct dentry *dentry) BUG_ON(!mutex_is_locked(&dir->i_mutex)); - mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD); + mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD); error = dir->i_op->unlink(dir, dentry); - mutex_unlock(&dentry->d_inode->i_mutex); + mutex_unlock(&d_inode(dentry)->i_mutex); if (!error) d_delete(dentry); @@ -102,11 +102,11 @@ static int xattr_rmdir(struct inode *dir, struct dentry *dentry) BUG_ON(!mutex_is_locked(&dir->i_mutex)); - mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD); + mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD); error = dir->i_op->rmdir(dir, dentry); if (!error) - dentry->d_inode->i_flags |= S_DEAD; - mutex_unlock(&dentry->d_inode->i_mutex); + d_inode(dentry)->i_flags |= S_DEAD; + mutex_unlock(&d_inode(dentry)->i_mutex); if (!error) d_delete(dentry); @@ -120,26 +120,26 @@ static struct dentry *open_xa_root(struct super_block *sb, int flags) struct dentry *privroot = REISERFS_SB(sb)->priv_root; struct dentry *xaroot; - if (!privroot->d_inode) + if (d_really_is_negative(privroot)) return ERR_PTR(-ENODATA); - mutex_lock_nested(&privroot->d_inode->i_mutex, I_MUTEX_XATTR); + mutex_lock_nested(&d_inode(privroot)->i_mutex, I_MUTEX_XATTR); xaroot = dget(REISERFS_SB(sb)->xattr_root); if (!xaroot) xaroot = ERR_PTR(-ENODATA); - else if (!xaroot->d_inode) { + else if (d_really_is_negative(xaroot)) { int err = -ENODATA; if (xattr_may_create(flags)) - err = xattr_mkdir(privroot->d_inode, xaroot, 0700); + err = xattr_mkdir(d_inode(privroot), xaroot, 0700); if (err) { dput(xaroot); xaroot = ERR_PTR(err); } } - mutex_unlock(&privroot->d_inode->i_mutex); + mutex_unlock(&d_inode(privroot)->i_mutex); return xaroot; } @@ -156,21 +156,21 @@ static struct dentry *open_xa_dir(const struct inode *inode, int flags) le32_to_cpu(INODE_PKEY(inode)->k_objectid), inode->i_generation); - mutex_lock_nested(&xaroot->d_inode->i_mutex, I_MUTEX_XATTR); + mutex_lock_nested(&d_inode(xaroot)->i_mutex, I_MUTEX_XATTR); xadir = lookup_one_len(namebuf, xaroot, strlen(namebuf)); - if (!IS_ERR(xadir) && !xadir->d_inode) { + if (!IS_ERR(xadir) && d_really_is_negative(xadir)) { int err = -ENODATA; if (xattr_may_create(flags)) - err = xattr_mkdir(xaroot->d_inode, xadir, 0700); + err = xattr_mkdir(d_inode(xaroot), xadir, 0700); if (err) { dput(xadir); xadir = ERR_PTR(err); } } - mutex_unlock(&xaroot->d_inode->i_mutex); + mutex_unlock(&d_inode(xaroot)->i_mutex); dput(xaroot); return xadir; } @@ -195,7 +195,7 @@ fill_with_dentries(struct dir_context *ctx, const char *name, int namelen, container_of(ctx, struct reiserfs_dentry_buf, ctx); struct dentry *dentry; - WARN_ON_ONCE(!mutex_is_locked(&dbuf->xadir->d_inode->i_mutex)); + WARN_ON_ONCE(!mutex_is_locked(&d_inode(dbuf->xadir)->i_mutex)); if (dbuf->count == ARRAY_SIZE(dbuf->dentries)) return -ENOSPC; @@ -207,7 +207,7 @@ fill_with_dentries(struct dir_context *ctx, const char *name, int namelen, dentry = lookup_one_len(name, dbuf->xadir, namelen); if (IS_ERR(dentry)) { return PTR_ERR(dentry); - } else if (!dentry->d_inode) { + } else if (d_really_is_negative(dentry)) { /* A directory entry exists, but no file? */ reiserfs_error(dentry->d_sb, "xattr-20003", "Corrupted directory: xattr %pd listed but " @@ -249,16 +249,16 @@ static int reiserfs_for_each_xattr(struct inode *inode, if (IS_ERR(dir)) { err = PTR_ERR(dir); goto out; - } else if (!dir->d_inode) { + } else if (d_really_is_negative(dir)) { err = 0; goto out_dir; } - mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_XATTR); + mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_XATTR); buf.xadir = dir; while (1) { - err = reiserfs_readdir_inode(dir->d_inode, &buf.ctx); + err = reiserfs_readdir_inode(d_inode(dir), &buf.ctx); if (err) break; if (!buf.count) @@ -276,7 +276,7 @@ static int reiserfs_for_each_xattr(struct inode *inode, break; buf.count = 0; } - mutex_unlock(&dir->d_inode->i_mutex); + mutex_unlock(&d_inode(dir)->i_mutex); cleanup_dentry_buf(&buf); @@ -298,13 +298,13 @@ static int reiserfs_for_each_xattr(struct inode *inode, if (!err) { int jerror; - mutex_lock_nested(&dir->d_parent->d_inode->i_mutex, + mutex_lock_nested(&d_inode(dir->d_parent)->i_mutex, I_MUTEX_XATTR); err = action(dir, data); reiserfs_write_lock(inode->i_sb); jerror = journal_end(&th); reiserfs_write_unlock(inode->i_sb); - mutex_unlock(&dir->d_parent->d_inode->i_mutex); + mutex_unlock(&d_inode(dir->d_parent)->i_mutex); err = jerror ?: err; } } @@ -319,7 +319,7 @@ out: static int delete_one_xattr(struct dentry *dentry, void *data) { - struct inode *dir = dentry->d_parent->d_inode; + struct inode *dir = d_inode(dentry->d_parent); /* This is the xattr dir, handle specially. */ if (d_is_dir(dentry)) @@ -384,27 +384,27 @@ static struct dentry *xattr_lookup(struct inode *inode, const char *name, if (IS_ERR(xadir)) return ERR_CAST(xadir); - mutex_lock_nested(&xadir->d_inode->i_mutex, I_MUTEX_XATTR); + mutex_lock_nested(&d_inode(xadir)->i_mutex, I_MUTEX_XATTR); xafile = lookup_one_len(name, xadir, strlen(name)); if (IS_ERR(xafile)) { err = PTR_ERR(xafile); goto out; } - if (xafile->d_inode && (flags & XATTR_CREATE)) + if (d_really_is_positive(xafile) && (flags & XATTR_CREATE)) err = -EEXIST; - if (!xafile->d_inode) { + if (d_really_is_negative(xafile)) { err = -ENODATA; if (xattr_may_create(flags)) - err = xattr_create(xadir->d_inode, xafile, + err = xattr_create(d_inode(xadir), xafile, 0700|S_IFREG); } if (err) dput(xafile); out: - mutex_unlock(&xadir->d_inode->i_mutex); + mutex_unlock(&d_inode(xadir)->i_mutex); dput(xadir); if (err) return ERR_PTR(err); @@ -469,21 +469,21 @@ static int lookup_and_delete_xattr(struct inode *inode, const char *name) if (IS_ERR(xadir)) return PTR_ERR(xadir); - mutex_lock_nested(&xadir->d_inode->i_mutex, I_MUTEX_XATTR); + mutex_lock_nested(&d_inode(xadir)->i_mutex, I_MUTEX_XATTR); dentry = lookup_one_len(name, xadir, strlen(name)); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); goto out_dput; } - if (dentry->d_inode) { - err = xattr_unlink(xadir->d_inode, dentry); + if (d_really_is_positive(dentry)) { + err = xattr_unlink(d_inode(xadir), dentry); update_ctime(inode); } dput(dentry); out_dput: - mutex_unlock(&xadir->d_inode->i_mutex); + mutex_unlock(&d_inode(xadir)->i_mutex); dput(xadir); return err; } @@ -533,7 +533,7 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th, else chunk = buffer_size - buffer_pos; - page = reiserfs_get_page(dentry->d_inode, file_pos); + page = reiserfs_get_page(d_inode(dentry), file_pos); if (IS_ERR(page)) { err = PTR_ERR(page); goto out_unlock; @@ -573,18 +573,18 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th, } new_size = buffer_size + sizeof(struct reiserfs_xattr_header); - if (!err && new_size < i_size_read(dentry->d_inode)) { + if (!err && new_size < i_size_read(d_inode(dentry))) { struct iattr newattrs = { .ia_ctime = current_fs_time(inode->i_sb), .ia_size = new_size, .ia_valid = ATTR_SIZE | ATTR_CTIME, }; - mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR); - inode_dio_wait(dentry->d_inode); + mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_XATTR); + inode_dio_wait(d_inode(dentry)); err = reiserfs_setattr(dentry, &newattrs); - mutex_unlock(&dentry->d_inode->i_mutex); + mutex_unlock(&d_inode(dentry)->i_mutex); } else update_ctime(inode); out_unlock: @@ -657,7 +657,7 @@ reiserfs_xattr_get(struct inode *inode, const char *name, void *buffer, down_read(&REISERFS_I(inode)->i_xattr_sem); - isize = i_size_read(dentry->d_inode); + isize = i_size_read(d_inode(dentry)); /* Just return the size needed */ if (buffer == NULL) { @@ -680,7 +680,7 @@ reiserfs_xattr_get(struct inode *inode, const char *name, void *buffer, else chunk = isize - file_pos; - page = reiserfs_get_page(dentry->d_inode, file_pos); + page = reiserfs_get_page(d_inode(dentry), file_pos); if (IS_ERR(page)) { err = PTR_ERR(page); goto out_unlock; @@ -775,7 +775,7 @@ reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer, handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name); - if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1) + if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1) return -EOPNOTSUPP; return handler->get(dentry, name, buffer, size, handler->flags); @@ -784,7 +784,7 @@ reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer, /* * Inode operation setxattr() * - * dentry->d_inode->i_mutex down + * d_inode(dentry)->i_mutex down */ int reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value, @@ -794,7 +794,7 @@ reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value, handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name); - if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1) + if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1) return -EOPNOTSUPP; return handler->set(dentry, name, value, size, flags, handler->flags); @@ -803,7 +803,7 @@ reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value, /* * Inode operation removexattr() * - * dentry->d_inode->i_mutex down + * d_inode(dentry)->i_mutex down */ int reiserfs_removexattr(struct dentry *dentry, const char *name) { @@ -811,7 +811,7 @@ int reiserfs_removexattr(struct dentry *dentry, const char *name) handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name); - if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1) + if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1) return -EOPNOTSUPP; return handler->set(dentry, name, NULL, 0, XATTR_REPLACE, handler->flags); @@ -875,14 +875,14 @@ ssize_t reiserfs_listxattr(struct dentry * dentry, char *buffer, size_t size) .size = buffer ? size : 0, }; - if (!dentry->d_inode) + if (d_really_is_negative(dentry)) return -EINVAL; if (!dentry->d_sb->s_xattr || - get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1) + get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1) return -EOPNOTSUPP; - dir = open_xa_dir(dentry->d_inode, XATTR_REPLACE); + dir = open_xa_dir(d_inode(dentry), XATTR_REPLACE); if (IS_ERR(dir)) { err = PTR_ERR(dir); if (err == -ENODATA) @@ -890,9 +890,9 @@ ssize_t reiserfs_listxattr(struct dentry * dentry, char *buffer, size_t size) goto out; } - mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_XATTR); - err = reiserfs_readdir_inode(dir->d_inode, &buf.ctx); - mutex_unlock(&dir->d_inode->i_mutex); + mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_XATTR); + err = reiserfs_readdir_inode(d_inode(dir), &buf.ctx); + mutex_unlock(&d_inode(dir)->i_mutex); if (!err) err = buf.pos; @@ -905,12 +905,12 @@ out: static int create_privroot(struct dentry *dentry) { int err; - struct inode *inode = dentry->d_parent->d_inode; + struct inode *inode = d_inode(dentry->d_parent); WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex)); err = xattr_mkdir(inode, dentry, 0700); - if (err || !dentry->d_inode) { + if (err || d_really_is_negative(dentry)) { reiserfs_warning(dentry->d_sb, "jdm-20006", "xattrs/ACLs enabled and couldn't " "find/create .reiserfs_priv. " @@ -918,7 +918,7 @@ static int create_privroot(struct dentry *dentry) return -EOPNOTSUPP; } - dentry->d_inode->i_flags |= S_PRIVATE; + d_inode(dentry)->i_flags |= S_PRIVATE; reiserfs_info(dentry->d_sb, "Created %s - reserved for xattr " "storage.\n", PRIVROOT_NAME); @@ -997,17 +997,17 @@ int reiserfs_lookup_privroot(struct super_block *s) int err = 0; /* If we don't have the privroot located yet - go find it */ - mutex_lock(&s->s_root->d_inode->i_mutex); + mutex_lock(&d_inode(s->s_root)->i_mutex); dentry = lookup_one_len(PRIVROOT_NAME, s->s_root, strlen(PRIVROOT_NAME)); if (!IS_ERR(dentry)) { REISERFS_SB(s)->priv_root = dentry; d_set_d_op(dentry, &xattr_lookup_poison_ops); - if (dentry->d_inode) - dentry->d_inode->i_flags |= S_PRIVATE; + if (d_really_is_positive(dentry)) + d_inode(dentry)->i_flags |= S_PRIVATE; } else err = PTR_ERR(dentry); - mutex_unlock(&s->s_root->d_inode->i_mutex); + mutex_unlock(&d_inode(s->s_root)->i_mutex); return err; } @@ -1026,15 +1026,15 @@ int reiserfs_xattr_init(struct super_block *s, int mount_flags) if (err) goto error; - if (!privroot->d_inode && !(mount_flags & MS_RDONLY)) { - mutex_lock(&s->s_root->d_inode->i_mutex); + if (d_really_is_negative(privroot) && !(mount_flags & MS_RDONLY)) { + mutex_lock(&d_inode(s->s_root)->i_mutex); err = create_privroot(REISERFS_SB(s)->priv_root); - mutex_unlock(&s->s_root->d_inode->i_mutex); + mutex_unlock(&d_inode(s->s_root)->i_mutex); } - if (privroot->d_inode) { + if (d_really_is_positive(privroot)) { s->s_xattr = reiserfs_xattr_handlers; - mutex_lock(&privroot->d_inode->i_mutex); + mutex_lock(&d_inode(privroot)->i_mutex); if (!REISERFS_SB(s)->xattr_root) { struct dentry *dentry; @@ -1045,7 +1045,7 @@ int reiserfs_xattr_init(struct super_block *s, int mount_flags) else err = PTR_ERR(dentry); } - mutex_unlock(&privroot->d_inode->i_mutex); + mutex_unlock(&d_inode(privroot)->i_mutex); } error: |