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authorPhillip Lougher <phillip@lougher.demon.co.uk>2009-09-23 19:04:49 +0100
committerPhillip Lougher <phillip@lougher.demon.co.uk>2010-01-20 21:47:47 +0000
commitf1a40359f8d8ba073257ed31a513e492621bcbc5 (patch)
tree313f81085e0e3e3606cecf4cc6ed4ead59cea3ee /fs/squashfs/super.c
parente6a6d3795565b8ccb957afc6ca0e50db40b2d899 (diff)
Squashfs: factor out remaining zlib dependencies into separate wrapper file
Move zlib buffer init/destroy code into separate wrapper file. Also make zlib z_stream field a void * removing the need to include zlib.h for most files. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
Diffstat (limited to 'fs/squashfs/super.c')
-rw-r--r--fs/squashfs/super.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 6c197ef53ad..b9f8c6a92d6 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -35,7 +35,6 @@
#include <linux/pagemap.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/zlib.h>
#include <linux/magic.h>
#include "squashfs_fs.h"
@@ -87,12 +86,9 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
}
msblk = sb->s_fs_info;
- msblk->stream.workspace = kmalloc(zlib_inflate_workspacesize(),
- GFP_KERNEL);
- if (msblk->stream.workspace == NULL) {
- ERROR("Failed to allocate zlib workspace\n");
+ msblk->stream = squashfs_zlib_init();
+ if (msblk->stream == NULL)
goto failure;
- }
sblk = kzalloc(sizeof(*sblk), GFP_KERNEL);
if (sblk == NULL) {
@@ -292,17 +288,17 @@ failed_mount:
squashfs_cache_delete(msblk->block_cache);
squashfs_cache_delete(msblk->fragment_cache);
squashfs_cache_delete(msblk->read_page);
+ squashfs_zlib_free(msblk->stream);
kfree(msblk->inode_lookup_table);
kfree(msblk->fragment_index);
kfree(msblk->id_table);
- kfree(msblk->stream.workspace);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
kfree(sblk);
return err;
failure:
- kfree(msblk->stream.workspace);
+ squashfs_zlib_free(msblk->stream);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
return -ENOMEM;
@@ -346,10 +342,10 @@ static void squashfs_put_super(struct super_block *sb)
squashfs_cache_delete(sbi->block_cache);
squashfs_cache_delete(sbi->fragment_cache);
squashfs_cache_delete(sbi->read_page);
+ squashfs_zlib_free(sbi->stream);
kfree(sbi->id_table);
kfree(sbi->fragment_index);
kfree(sbi->meta_index);
- kfree(sbi->stream.workspace);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}