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authorRalf Baechle <ralf@linux-mips.org>2000-08-08 19:25:53 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-08-08 19:25:53 +0000
commit57445428488a2862840c4d7c96d7746c11031aaf (patch)
tree60b88b3a21896a33ee4dccc727d88b745a9ff731 /fs/buffer.c
parent2e837819b1563679b55363d469239fdf4f17fbbb (diff)
Merge with Linu 2.4.0-test6-pre6.
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index e6134c203..b296dad7b 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1149,7 +1149,7 @@ void set_bh_page (struct buffer_head *bh, struct page *page, unsigned long offse
*/
bh->b_data = (char *)(0 + offset);
else
- bh->b_data = (char *)(page_address(page) + offset);
+ bh->b_data = page_address(page) + offset;
}
/*
@@ -1475,6 +1475,8 @@ static int __block_prepare_write(struct inode *inode, struct page *page,
memset(kaddr+to, 0, block_end-to);
if (block_start < from)
memset(kaddr+block_start, 0, from-block_start);
+ if (block_end > to || block_start < from)
+ flush_dcache_page(page);
continue;
}
}
@@ -1578,6 +1580,7 @@ int block_read_full_page(struct page *page, get_block_t *get_block)
if (!kaddr)
kaddr = kmap(page);
memset((char *)(kaddr + i*blocksize), 0, blocksize);
+ flush_dcache_page(page);
set_bit(BH_Uptodate, &bh->b_state);
continue;
}
@@ -1642,8 +1645,9 @@ int cont_prepare_write(struct page *page, unsigned offset, unsigned to, get_bloc
PAGE_CACHE_SIZE, get_block);
if (status)
goto out_unmap;
- kaddr = (char*)page_address(new_page);
+ kaddr = page_address(new_page);
memset(kaddr+zerofrom, 0, PAGE_CACHE_SIZE-zerofrom);
+ flush_dcache_page(new_page);
__block_commit_write(inode, new_page, zerofrom, PAGE_CACHE_SIZE);
kunmap(new_page);
UnlockPage(new_page);
@@ -1670,9 +1674,10 @@ int cont_prepare_write(struct page *page, unsigned offset, unsigned to, get_bloc
status = __block_prepare_write(inode, page, zerofrom, to, get_block);
if (status)
goto out1;
- kaddr = (char*)page_address(page);
+ kaddr = page_address(page);
if (zerofrom < offset) {
memset(kaddr+zerofrom, 0, offset-zerofrom);
+ flush_dcache_page(page);
__block_commit_write(inode, page, zerofrom, offset);
}
return 0;
@@ -1733,7 +1738,8 @@ int block_write_full_page(struct page *page, get_block_t *get_block)
/* Sigh... will have to work, then... */
err = __block_prepare_write(inode, page, 0, offset, get_block);
if (!err) {
- memset((char *)page_address(page)+offset, 0, PAGE_CACHE_SIZE-offset);
+ memset(page_address(page) + offset, 0, PAGE_CACHE_SIZE - offset);
+ flush_dcache_page(page);
__block_commit_write(inode,page,0,offset);
done:
kunmap(page);
@@ -2035,7 +2041,7 @@ int block_symlink(struct inode *inode, const char *symname, int len)
err = mapping->a_ops->prepare_write(NULL, page, 0, len-1);
if (err)
goto fail_map;
- kaddr = (char*)page_address(page);
+ kaddr = page_address(page);
memcpy(kaddr, symname, len-1);
mapping->a_ops->commit_write(NULL, page, 0, len-1);
/*