fuse: fix bad inode

[linux-2.6-microblaze.git] / fs / fuse / dir.c

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 5d43af1..78f9f20 100644 (file)
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -202,7 +202,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
        int ret;
 
        inode = d_inode_rcu(entry);
-       if (inode && is_bad_inode(inode))
+       if (inode && fuse_is_bad(inode))
                goto invalid;
        else if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) ||
                 (flags & (LOOKUP_EXCL | LOOKUP_REVAL))) {
@@ -462,6 +462,9 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry,
        bool outarg_valid = true;
        bool locked;
 
+       if (fuse_is_bad(dir))
+               return ERR_PTR(-EIO);
+
        locked = fuse_lock_inode(dir);
        err = fuse_lookup_name(dir->i_sb, get_node_id(dir), &entry->d_name,
                               &outarg, &inode);
@@ -611,6 +614,9 @@ static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
        struct fuse_conn *fc = get_fuse_conn(dir);
        struct dentry *res = NULL;
 
+       if (fuse_is_bad(dir))
+               return -EIO;
+
        if (d_in_lookup(entry)) {
                res = fuse_lookup(dir, entry, 0);
                if (IS_ERR(res))
@@ -659,6 +665,9 @@ static int create_new_entry(struct fuse_mount *fm, struct fuse_args *args,
        int err;
        struct fuse_forget_link *forget;
 
+       if (fuse_is_bad(dir))
+               return -EIO;
+
        forget = fuse_alloc_forget();
        if (!forget)
                return -ENOMEM;
@@ -786,6 +795,9 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry)
        struct fuse_mount *fm = get_fuse_mount(dir);
        FUSE_ARGS(args);
 
+       if (fuse_is_bad(dir))
+               return -EIO;
+
        args.opcode = FUSE_UNLINK;
        args.nodeid = get_node_id(dir);
        args.in_numargs = 1;
@@ -822,6 +834,9 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry)
        struct fuse_mount *fm = get_fuse_mount(dir);
        FUSE_ARGS(args);
 
+       if (fuse_is_bad(dir))
+               return -EIO;
+
        args.opcode = FUSE_RMDIR;
        args.nodeid = get_node_id(dir);
        args.in_numargs = 1;
@@ -900,6 +915,9 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
        struct fuse_conn *fc = get_fuse_conn(olddir);
        int err;
 
+       if (fuse_is_bad(olddir))
+               return -EIO;
+
        if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
                return -EINVAL;
 
@@ -1035,7 +1053,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
        if (!err) {
                if (fuse_invalid_attr(&outarg.attr) ||
                    (inode->i_mode ^ outarg.attr.mode) & S_IFMT) {
-                       make_bad_inode(inode);
+                       fuse_make_bad(inode);
                        err = -EIO;
                } else {
                        fuse_change_attributes(inode, &outarg.attr,
@@ -1237,6 +1255,9 @@ static int fuse_permission(struct inode *inode, int mask)
        bool refreshed = false;
        int err = 0;
 
+       if (fuse_is_bad(inode))
+               return -EIO;
+
        if (!fuse_allow_current_process(fc))
                return -EACCES;
 
@@ -1332,7 +1353,7 @@ static const char *fuse_get_link(struct dentry *dentry, struct inode *inode,
        int err;
 
        err = -EIO;
-       if (is_bad_inode(inode))
+       if (fuse_is_bad(inode))
                goto out_err;
 
        if (fc->cache_symlinks)
@@ -1380,7 +1401,7 @@ static int fuse_dir_fsync(struct file *file, loff_t start, loff_t end,
        struct fuse_conn *fc = get_fuse_conn(inode);
        int err;
 
-       if (is_bad_inode(inode))
+       if (fuse_is_bad(inode))
                return -EIO;
 
        if (fc->no_fsyncdir)
@@ -1679,7 +1700,7 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
 
        if (fuse_invalid_attr(&outarg.attr) ||
            (inode->i_mode ^ outarg.attr.mode) & S_IFMT) {
-               make_bad_inode(inode);
+               fuse_make_bad(inode);
                err = -EIO;
                goto error;
        }
@@ -1742,6 +1763,9 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
        struct file *file = (attr->ia_valid & ATTR_FILE) ? attr->ia_file : NULL;
        int ret;
 
+       if (fuse_is_bad(inode))
+               return -EIO;
+
        if (!fuse_allow_current_process(get_fuse_conn(inode)))
                return -EACCES;
 
@@ -1800,6 +1824,9 @@ static int fuse_getattr(const struct path *path, struct kstat *stat,
        struct inode *inode = d_inode(path->dentry);
        struct fuse_conn *fc = get_fuse_conn(inode);
 
+       if (fuse_is_bad(inode))
+               return -EIO;
+
        if (!fuse_allow_current_process(fc)) {
                if (!request_mask) {
                        /*