Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

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

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 79742d824a0a3f69f465d8cdb19ca3811f34b909..af193a304ee5868c6bd54db9f8018159940463bb 100644 (file)
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -36,6 +36,8 @@
 #include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/smp_lock.h>
+
+#include "namei.h"
 #include "xattr.h"
 #include "acl.h"
 
@@ -932,8 +934,16 @@ static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry,
        struct inode *dir = dentry->d_parent->d_inode;
 
        sb = dir->i_sb;
-       if (!(frame = dx_probe(dentry, NULL, &hinfo, frames, err)))
-               return NULL;
+       /* NFS may look up ".." - look at dx_root directory block */
+       if (namelen > 2 || name[0] != '.'||(name[1] != '.' && name[1] != '\0')){
+               if (!(frame = dx_probe(dentry, NULL, &hinfo, frames, err)))
+                       return NULL;
+       } else {
+               frame = frames;
+               frame->bh = NULL;                       /* for dx_release() */
+               frame->at = (struct dx_entry *)frames;  /* hack for zero entry*/
+               dx_set_block(frame->at, 0);             /* dx_root block is 0 */
+       }
        hash = hinfo.hash;
        do {
                block = dx_get_block(frame->at);
@@ -1466,7 +1476,7 @@ static int ext3_dx_add_entry(handle_t *handle, struct dentry *dentry,
                if (levels && (dx_get_count(frames->entries) ==
                               dx_get_limit(frames->entries))) {
                        ext3_warning(sb, __FUNCTION__,
-                                    "Directory index full!\n");
+                                    "Directory index full!");
                        err = -ENOSPC;
                        goto cleanup;
                }
@@ -1637,9 +1647,9 @@ static int ext3_create (struct inode * dir, struct dentry * dentry, int mode,
        int err, retries = 0;
 
 retry:
-       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS +
+       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS);
+                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -1671,9 +1681,9 @@ static int ext3_mknod (struct inode * dir, struct dentry *dentry,
                return -EINVAL;
 
 retry:
-       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS +
+       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS);
+                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -1707,9 +1717,9 @@ static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode)
                return -EMLINK;
 
 retry:
-       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS +
+       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS);
+                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -1998,7 +2008,7 @@ static int ext3_rmdir (struct inode * dir, struct dentry *dentry)
        /* Initialize quotas before so that eventual writes go in
         * separate transaction */
        DQUOT_INIT(dentry->d_inode);
-       handle = ext3_journal_start(dir, EXT3_DELETE_TRANS_BLOCKS);
+       handle = ext3_journal_start(dir, EXT3_DELETE_TRANS_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -2057,7 +2067,7 @@ static int ext3_unlink(struct inode * dir, struct dentry *dentry)
        /* Initialize quotas before so that eventual writes go
         * in separate transaction */
        DQUOT_INIT(dentry->d_inode);
-       handle = ext3_journal_start(dir, EXT3_DELETE_TRANS_BLOCKS);
+       handle = ext3_journal_start(dir, EXT3_DELETE_TRANS_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -2112,9 +2122,9 @@ static int ext3_symlink (struct inode * dir,
                return -ENAMETOOLONG;
 
 retry:
-       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS +
+       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 5 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS);
+                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -2166,7 +2176,7 @@ static int ext3_link (struct dentry * old_dentry,
                return -EMLINK;
 
 retry:
-       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS +
+       handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS);
        if (IS_ERR(handle))
                return PTR_ERR(handle);
@@ -2208,7 +2218,8 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
         * in separate transaction */
        if (new_dentry->d_inode)
                DQUOT_INIT(new_dentry->d_inode);
-       handle = ext3_journal_start(old_dir, 2 * EXT3_DATA_TRANS_BLOCKS +
+       handle = ext3_journal_start(old_dir, 2 *
+                                       EXT3_DATA_TRANS_BLOCKS(old_dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 2);
        if (IS_ERR(handle))
                return PTR_ERR(handle);