1 files changed, 27 insertions, 17 deletions

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 28aa2ed4297e..ab16beaa830d 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -28,14 +28,14 @@
 #include <linux/pagemap.h>
 #include <linux/jbd2.h>
 #include <linux/time.h>
-#include <linux/ext4_fs.h>
-#include <linux/ext4_jbd2.h>
 #include <linux/fcntl.h>
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/bio.h>
+#include "ext4.h"
+#include "ext4_jbd2.h"
 
 #include "namei.h"
 #include "xattr.h"
@@ -57,10 +57,15 @@ static struct buffer_head *ext4_append(handle_t *handle,
 
         *block = inode->i_size >> inode->i_sb->s_blocksize_bits;
 
-        if ((bh = ext4_bread(handle, inode, *block, 1, err))) {
+        bh = ext4_bread(handle, inode, *block, 1, err);
+        if (bh) {
                 inode->i_size += inode->i_sb->s_blocksize;
                 EXT4_I(inode)->i_disksize = inode->i_size;
-                ext4_journal_get_write_access(handle,bh);
+                *err = ext4_journal_get_write_access(handle, bh);
+                if (*err) {
+                        brelse(bh);
+                        bh = NULL;
+                }
         }
         return bh;
 }
@@ -348,7 +353,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
         if (root->info.hash_version != DX_HASH_TEA &&
             root->info.hash_version != DX_HASH_HALF_MD4 &&
             root->info.hash_version != DX_HASH_LEGACY) {
-                ext4_warning(dir->i_sb, __FUNCTION__,
+                ext4_warning(dir->i_sb, __func__,
                              "Unrecognised inode hash code %d",
                              root->info.hash_version);
                 brelse(bh);
@@ -362,7 +367,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
         hash = hinfo->hash;
 
         if (root->info.unused_flags & 1) {
-                ext4_warning(dir->i_sb, __FUNCTION__,
+                ext4_warning(dir->i_sb, __func__,
                              "Unimplemented inode hash flags: %#06x",
                              root->info.unused_flags);
                 brelse(bh);
@@ -371,7 +376,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
         }
 
         if ((indirect = root->info.indirect_levels) > 1) {
-                ext4_warning(dir->i_sb, __FUNCTION__,
+                ext4_warning(dir->i_sb, __func__,
                              "Unimplemented inode hash depth: %#06x",
                              root->info.indirect_levels);
                 brelse(bh);
@@ -384,7 +389,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
 
         if (dx_get_limit(entries) != dx_root_limit(dir,
                                                    root->info.info_length)) {
-                ext4_warning(dir->i_sb, __FUNCTION__,
+                ext4_warning(dir->i_sb, __func__,
                              "dx entry: limit != root limit");
                 brelse(bh);
                 *err = ERR_BAD_DX_DIR;
@@ -396,7 +401,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
         {
                 count = dx_get_count(entries);
                 if (!count || count > dx_get_limit(entries)) {
-                        ext4_warning(dir->i_sb, __FUNCTION__,
+                        ext4_warning(dir->i_sb, __func__,
                                      "dx entry: no count or count > limit");
                         brelse(bh);
                         *err = ERR_BAD_DX_DIR;
@@ -441,7 +446,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
                         goto fail2;
                 at = entries = ((struct dx_node *) bh->b_data)->entries;
                 if (dx_get_limit(entries) != dx_node_limit (dir)) {
-                        ext4_warning(dir->i_sb, __FUNCTION__,
+                        ext4_warning(dir->i_sb, __func__,
                                      "dx entry: limit != node limit");
                         brelse(bh);
                         *err = ERR_BAD_DX_DIR;
@@ -457,7 +462,7 @@ fail2:
         }
 fail:
         if (*err == ERR_BAD_DX_DIR)
-                ext4_warning(dir->i_sb, __FUNCTION__,
+                ext4_warning(dir->i_sb, __func__,
                              "Corrupt dir inode %ld, running e2fsck is "
                              "recommended.", dir->i_ino);
         return NULL;
@@ -914,7 +919,7 @@ restart:
                 wait_on_buffer(bh);
                 if (!buffer_uptodate(bh)) {
                         /* read error, skip block & hope for the best */
-                        ext4_error(sb, __FUNCTION__, "reading directory #%lu "
+                        ext4_error(sb, __func__, "reading directory #%lu "
                                    "offset %lu", dir->i_ino,
                                    (unsigned long)block);
                         brelse(bh);
@@ -1007,7 +1012,7 @@ static struct buffer_head * ext4_dx_find_entry(struct dentry *dentry,
                 retval = ext4_htree_next_block(dir, hash, frame,
                                                frames, NULL);
                 if (retval < 0) {
-                        ext4_warning(sb, __FUNCTION__,
+                        ext4_warning(sb, __func__,
                              "error reading index page in directory #%lu",
                              dir->i_ino);
                         *err = retval;
@@ -1532,7 +1537,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
 
                 if (levels && (dx_get_count(frames->entries) ==
                                dx_get_limit(frames->entries))) {
-                        ext4_warning(sb, __FUNCTION__,
+                        ext4_warning(sb, __func__,
                                      "Directory index full!");
                         err = -ENOSPC;
                         goto cleanup;
@@ -1860,11 +1865,11 @@ static int empty_dir (struct inode * inode)
         if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2) ||
             !(bh = ext4_bread (NULL, inode, 0, 0, &err))) {
                 if (err)
-                        ext4_error(inode->i_sb, __FUNCTION__,
+                        ext4_error(inode->i_sb, __func__,
                                    "error %d reading directory #%lu offset 0",
                                    err, inode->i_ino);
                 else
-                        ext4_warning(inode->i_sb, __FUNCTION__,
+                        ext4_warning(inode->i_sb, __func__,
                                      "bad directory (dir #%lu) - no data block",
                                      inode->i_ino);
                 return 1;
@@ -1893,7 +1898,7 @@ static int empty_dir (struct inode * inode)
                                 offset >> EXT4_BLOCK_SIZE_BITS(sb), 0, &err);
                         if (!bh) {
                                 if (err)
-                                        ext4_error(sb, __FUNCTION__,
+                                        ext4_error(sb, __func__,
                                                    "error %d reading directory"
                                                    " #%lu offset %lu",
                                                    err, inode->i_ino, offset);
@@ -2217,6 +2222,8 @@ retry:
                         goto out_stop;
                 }
         } else {
+                /* clear the extent format for fast symlink */
+                EXT4_I(inode)->i_flags &= ~EXT4_EXTENTS_FL;
                 inode->i_op = &ext4_fast_symlink_inode_operations;
                 memcpy((char*)&EXT4_I(inode)->i_data,symname,l);
                 inode->i_size = l-1;
@@ -2347,6 +2354,9 @@ static int ext4_rename (struct inode * old_dir, struct dentry *old_dentry,
                                               EXT4_FEATURE_INCOMPAT_FILETYPE))
                         new_de->file_type = old_de->file_type;
                 new_dir->i_version++;
+                new_dir->i_ctime = new_dir->i_mtime =
+                                        ext4_current_time(new_dir);
+                ext4_mark_inode_dirty(handle, new_dir);
                 BUFFER_TRACE(new_bh, "call ext4_journal_dirty_metadata");
                 ext4_journal_dirty_metadata(handle, new_bh);
                 brelse(new_bh);