If fallocate(2) fails do our best to recover - dedup - deduplicating backup program
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---
DIR commit 00d03339c89087d34d11f3147daae28de6f94c7a
DIR parent d6e4ca0475985f2f98e35fcfd5bdb3b4304a0eff
HTML Author: sin <sin@2f30.org>
Date: Thu, 25 Apr 2019 22:08:08 +0100
If fallocate(2) fails do our best to recover
Diffstat:
M bstorage.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
---
DIR diff --git a/bstorage.c b/bstorage.c
@@ -567,7 +567,13 @@ bsrm(struct bctx *bctx, unsigned char *md)
int mode;
mode = FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE;
- fallocate(sctx->fd, mode, bd->offset, bd->size);
+ if (fallocate(sctx->fd, mode, bd->offset, bd->size) < 0) {
+ lseek(sctx->fd, bdoffs, SEEK_SET);
+ bd->refcnt++;
+ packbd(sctx->fd, bd);
+ return -1;
+ }
+
RB_REMOVE(bdcache, &sctx->bdcache, bd);
free(bd);
}