[PATCH] struct path: convert fuse

[linux-2.6] / fs / ext3 / namei.c

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 85d132c37ee0f1a8a8c840432d7839f4d9b97af6..4df39c4315e170c64e12ca6755f456d6b19b1e39 100644 (file)
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -35,6 +35,7 @@
 #include <linux/string.h>
 #include <linux/quotaops.h>
 #include <linux/buffer_head.h>
+#include <linux/bio.h>
 #include <linux/smp_lock.h>
 
 #include "namei.h"
@@ -551,6 +552,15 @@ static int htree_dirblock_to_tree(struct file *dir_file,
                                           dir->i_sb->s_blocksize -
                                           EXT3_DIR_REC_LEN(0));
        for (; de < top; de = ext3_next_entry(de)) {
+               if (!ext3_check_dir_entry("htree_dirblock_to_tree", dir, de, bh,
+                                       (block<<EXT3_BLOCK_SIZE_BITS(dir->i_sb))
+                                               +((char *)de - bh->b_data))) {
+                       /* On error, skip the f_pos to the next block. */
+                       dir_file->f_pos = (dir_file->f_pos |
+                                       (dir->i_sb->s_blocksize - 1)) + 1;
+                       brelse (bh);
+                       return count;
+               }
                ext3fs_dirhash(de->name, de->name_len, hinfo);
                if ((hinfo->hash < start_hash) ||
                    ((hinfo->hash == start_hash) &&
@@ -592,7 +602,7 @@ int ext3_htree_fill_tree(struct file *dir_file, __u32 start_hash,
 
        dxtrace(printk("In htree_fill_tree, start hash: %x:%x\n", start_hash,
                       start_minor_hash));
-       dir = dir_file->f_dentry->d_inode;
+       dir = dir_file->f_path.dentry->d_inode;
        if (!(EXT3_I(dir)->i_flags & EXT3_INDEX_FL)) {
                hinfo.hash_version = EXT3_SB(dir->i_sb)->s_def_hash_version;
                hinfo.seed = EXT3_SB(dir->i_sb)->s_hash_seed;
@@ -603,7 +613,7 @@ int ext3_htree_fill_tree(struct file *dir_file, __u32 start_hash,
        }
        hinfo.hash = start_hash;
        hinfo.minor_hash = 0;
-       frame = dx_probe(NULL, dir_file->f_dentry->d_inode, &hinfo, frames, &err);
+       frame = dx_probe(NULL, dir_file->f_path.dentry->d_inode, &hinfo, frames, &err);
        if (!frame)
                return err;
 
@@ -870,7 +880,7 @@ restart:
                                bh = ext3_getblk(NULL, dir, b++, 0, &err);
                                bh_use[ra_max] = bh;
                                if (bh)
-                                       ll_rw_block(READ, 1, &bh);
+                                       ll_rw_block(READ_META, 1, &bh);
                        }
                }
                if ((bh = bh_use[ra_ptr++]) == NULL)
@@ -1615,12 +1625,12 @@ static int ext3_delete_entry (handle_t *handle,
  */
 static inline void ext3_inc_count(handle_t *handle, struct inode *inode)
 {
-       inode->i_nlink++;
+       inc_nlink(inode);
 }
 
 static inline void ext3_dec_count(handle_t *handle, struct inode *inode)
 {
-       inode->i_nlink--;
+       drop_nlink(inode);
 }
 
 static int ext3_add_nondir(handle_t *handle,
@@ -1742,7 +1752,7 @@ retry:
        inode->i_size = EXT3_I(inode)->i_disksize = inode->i_sb->s_blocksize;
        dir_block = ext3_bread (handle, inode, 0, 1, &err);
        if (!dir_block) {
-               inode->i_nlink--; /* is this nlink == 0? */
+               drop_nlink(inode); /* is this nlink == 0? */
                ext3_mark_inode_dirty(handle, inode);
                iput (inode);
                goto out_stop;
@@ -1774,7 +1784,7 @@ retry:
                iput (inode);
                goto out_stop;
        }
-       dir->i_nlink++;
+       inc_nlink(dir);
        ext3_update_dx_flag(dir);
        ext3_mark_inode_dirty(handle, dir);
        d_instantiate(dentry, inode);
@@ -2044,7 +2054,7 @@ static int ext3_rmdir (struct inode * dir, struct dentry *dentry)
                              "empty directory has nlink!=2 (%d)",
                              inode->i_nlink);
        inode->i_version++;
-       inode->i_nlink = 0;
+       clear_nlink(inode);
        /* There's no need to set i_disksize: the fact that i_nlink is
         * zero will ensure that the right thing happens during any
         * recovery. */
@@ -2052,7 +2062,7 @@ static int ext3_rmdir (struct inode * dir, struct dentry *dentry)
        ext3_orphan_add(handle, inode);
        inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
        ext3_mark_inode_dirty(handle, inode);
-       dir->i_nlink--;
+       drop_nlink(dir);
        ext3_update_dx_flag(dir);
        ext3_mark_inode_dirty(handle, dir);
 
@@ -2103,7 +2113,7 @@ static int ext3_unlink(struct inode * dir, struct dentry *dentry)
        dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
        ext3_update_dx_flag(dir);
        ext3_mark_inode_dirty(handle, dir);
-       inode->i_nlink--;
+       drop_nlink(inode);
        if (!inode->i_nlink)
                ext3_orphan_add(handle, inode);
        inode->i_ctime = dir->i_ctime;
@@ -2325,7 +2335,7 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
        }
 
        if (new_inode) {
-               new_inode->i_nlink--;
+               drop_nlink(new_inode);
                new_inode->i_ctime = CURRENT_TIME_SEC;
        }
        old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME_SEC;
@@ -2336,11 +2346,11 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
                PARENT_INO(dir_bh->b_data) = cpu_to_le32(new_dir->i_ino);
                BUFFER_TRACE(dir_bh, "call ext3_journal_dirty_metadata");
                ext3_journal_dirty_metadata(handle, dir_bh);
-               old_dir->i_nlink--;
+               drop_nlink(old_dir);
                if (new_inode) {
-                       new_inode->i_nlink--;
+                       drop_nlink(new_inode);
                } else {
-                       new_dir->i_nlink++;
+                       inc_nlink(new_dir);
                        ext3_update_dx_flag(new_dir);
                        ext3_mark_inode_dirty(handle, new_dir);
                }