logfs: survive logfs_buf_recover read errors

Refusing to mount beats a kernel crash.

Signed-off-by: Joern Engel <joern@logfs.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index 0a3df1a0c936..32bf55616e56 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -598,19 +598,19 @@ void freeseg(struct super_block *sb, u32 segno);
 int logfs_init_areas(struct super_block *sb);
 void logfs_cleanup_areas(struct super_block *sb);
 int logfs_open_area(struct logfs_area *area, size_t bytes);
-void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
+int __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
                 int use_filler);
 
-static inline void logfs_buf_write(struct logfs_area *area, u64 ofs,
+static inline int logfs_buf_write(struct logfs_area *area, u64 ofs,
                 void *buf, size_t len)
 {
-        __logfs_buf_write(area, ofs, buf, len, 0);
+        return __logfs_buf_write(area, ofs, buf, len, 0);
 }
 
-static inline void logfs_buf_recover(struct logfs_area *area, u64 ofs,
+static inline int logfs_buf_recover(struct logfs_area *area, u64 ofs,
                 void *buf, size_t len)
 {
-        __logfs_buf_write(area, ofs, buf, len, 1);
+        return __logfs_buf_write(area, ofs, buf, len, 1);
 }
 
 /* super.c */