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authorPhillip Lougher <phillip@squashfs.org.uk>2013-10-31 19:24:27 +0000
committerMister Oyster <oysterized@gmail.com>2017-04-11 11:00:17 +0200
commit54a1dfcbe9a06d970e233aff4313cac219ea8dbf (patch)
tree4149d1b5afb6b4b45b95408093aed1f4e5fb4e63 /fs/squashfs/squashfs.h
parentdd5f81e530111efc741be0e7207a3dfc4c96e7d2 (diff)
Squashfs: Restructure squashfs_readpage()
Restructure squashfs_readpage() splitting it into separate functions for datablocks, fragments and sparse blocks. Move the memcpying (from squashfs cache entry) implementation of squashfs_readpage_block into file_cache.c This allows different implementations to be supported. Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk> Reviewed-by: Minchan Kim <minchan@kernel.org> Change-Id: Ic915501b91711e56ea3231ba0bf6a6e1429dfd2a
Diffstat (limited to 'fs/squashfs/squashfs.h')
-rw-r--r--fs/squashfs/squashfs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 6a97e63ca..9e1bb79f7 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -66,6 +66,13 @@ extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *);
extern __le64 *squashfs_read_fragment_index_table(struct super_block *,
u64, u64, unsigned int);
+/* file.c */
+void squashfs_copy_cache(struct page *, struct squashfs_cache_entry *, int,
+ int);
+
+/* file_xxx.c */
+extern int squashfs_readpage_block(struct page *, u64, int);
+
/* id.c */
extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *);
extern __le64 *squashfs_read_id_index_table(struct super_block *, u64, u64,