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Diffstat (limited to 'fs/ext2/dir.c')
-rw-r--r--fs/ext2/dir.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 8f597753ac12..e5cbc27ba459 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -81,11 +81,10 @@ ext2_last_byte(struct inode *inode, unsigned long page_nr)
return last_byte;
}
-static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
+static void ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
{
struct address_space *mapping = page->mapping;
struct inode *dir = mapping->host;
- int err = 0;
inode_inc_iversion(dir);
block_write_end(NULL, mapping, pos, len, len, page, NULL);
@@ -94,16 +93,7 @@ static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
i_size_write(dir, pos+len);
mark_inode_dirty(dir);
}
-
- if (IS_DIRSYNC(dir)) {
- err = write_one_page(page);
- if (!err)
- err = sync_inode_metadata(dir, 1);
- } else {
- unlock_page(page);
- }
-
- return err;
+ unlock_page(page);
}
static bool ext2_check_page(struct page *page, int quiet, char *kaddr)
@@ -413,7 +403,7 @@ found:
return de;
}
-/**
+/*
* Return the '..' directory entry and the page in which the entry was found
* (as a parameter - p).
*
@@ -460,6 +450,17 @@ static int ext2_prepare_chunk(struct page *page, loff_t pos, unsigned len)
return __block_write_begin(page, pos, len, ext2_get_block);
}
+
+static int ext2_handle_dirsync(struct inode *dir)
+{
+ int err;
+
+ err = filemap_write_and_wait(dir->i_mapping);
+ if (!err)
+ err = sync_inode_metadata(dir, 1);
+ return err;
+}
+
void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
struct page *page, void *page_addr, struct inode *inode,
int update_times)
@@ -474,11 +475,12 @@ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
BUG_ON(err);
de->inode = cpu_to_le32(inode->i_ino);
ext2_set_de_type(de, inode);
- err = ext2_commit_chunk(page, pos, len);
+ ext2_commit_chunk(page, pos, len);
if (update_times)
dir->i_mtime = dir->i_ctime = current_time(dir);
EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL;
mark_inode_dirty(dir);
+ ext2_handle_dirsync(dir);
}
/*
@@ -566,10 +568,11 @@ got_it:
memcpy(de->name, name, namelen);
de->inode = cpu_to_le32(inode->i_ino);
ext2_set_de_type (de, inode);
- err = ext2_commit_chunk(page, pos, rec_len);
+ ext2_commit_chunk(page, pos, rec_len);
dir->i_mtime = dir->i_ctime = current_time(dir);
EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL;
mark_inode_dirty(dir);
+ err = ext2_handle_dirsync(dir);
/* OFFSET_CACHE */
out_put:
ext2_put_page(page, page_addr);
@@ -615,10 +618,11 @@ int ext2_delete_entry (struct ext2_dir_entry_2 *dir, struct page *page,
if (pde)
pde->rec_len = ext2_rec_len_to_disk(to - from);
dir->inode = 0;
- err = ext2_commit_chunk(page, pos, to - from);
+ ext2_commit_chunk(page, pos, to - from);
inode->i_ctime = inode->i_mtime = current_time(inode);
EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL;
mark_inode_dirty(inode);
+ err = ext2_handle_dirsync(inode);
out:
return err;
}
@@ -658,7 +662,8 @@ int ext2_make_empty(struct inode *inode, struct inode *parent)
memcpy (de->name, "..\0", 4);
ext2_set_de_type (de, inode);
kunmap_atomic(kaddr);
- err = ext2_commit_chunk(page, 0, chunk_size);
+ ext2_commit_chunk(page, 0, chunk_size);
+ err = ext2_handle_dirsync(inode);
fail:
put_page(page);
return err;
@@ -679,7 +684,7 @@ int ext2_empty_dir (struct inode * inode)
page = ext2_get_page(inode, i, 0, &page_addr);
if (IS_ERR(page))
- goto not_empty;
+ return 0;
kaddr = page_addr;
de = (ext2_dirent *)kaddr;