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69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
--- block/export/fuse.c.orig 2023-12-19 21:24:34 UTC
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+++ block/export/fuse.c
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@@ -690,12 +690,6 @@ static void fuse_fallocate(fuse_req_t req, fuse_ino_t
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return;
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}
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-#ifdef CONFIG_FALLOCATE_PUNCH_HOLE
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- if (mode & FALLOC_FL_KEEP_SIZE) {
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- length = MIN(length, blk_len - offset);
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- }
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-#endif /* CONFIG_FALLOCATE_PUNCH_HOLE */
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-
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if (!mode) {
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/* We can only fallocate at the EOF with a truncate */
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if (offset < blk_len) {
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@@ -715,53 +709,6 @@ static void fuse_fallocate(fuse_req_t req, fuse_ino_t
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ret = fuse_do_truncate(exp, offset + length, true,
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PREALLOC_MODE_FALLOC);
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}
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-#ifdef CONFIG_FALLOCATE_PUNCH_HOLE
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- else if (mode & FALLOC_FL_PUNCH_HOLE) {
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- if (!(mode & FALLOC_FL_KEEP_SIZE)) {
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- fuse_reply_err(req, EINVAL);
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- return;
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- }
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-
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- do {
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- int size = MIN(length, BDRV_REQUEST_MAX_BYTES);
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-
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- ret = blk_pwrite_zeroes(exp->common.blk, offset, size,
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- BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK);
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- if (ret == -ENOTSUP) {
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- /*
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- * fallocate() specifies to return EOPNOTSUPP for unsupported
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- * operations
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- */
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- ret = -EOPNOTSUPP;
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- }
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-
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- offset += size;
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- length -= size;
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- } while (ret == 0 && length > 0);
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- }
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-#endif /* CONFIG_FALLOCATE_PUNCH_HOLE */
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-#ifdef CONFIG_FALLOCATE_ZERO_RANGE
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- else if (mode & FALLOC_FL_ZERO_RANGE) {
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- if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + length > blk_len) {
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- /* No need for zeroes, we are going to write them ourselves */
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- ret = fuse_do_truncate(exp, offset + length, false,
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- PREALLOC_MODE_OFF);
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- if (ret < 0) {
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- fuse_reply_err(req, -ret);
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- return;
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- }
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- }
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-
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- do {
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- int size = MIN(length, BDRV_REQUEST_MAX_BYTES);
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-
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- ret = blk_pwrite_zeroes(exp->common.blk,
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- offset, size, 0);
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- offset += size;
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- length -= size;
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- } while (ret == 0 && length > 0);
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- }
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-#endif /* CONFIG_FALLOCATE_ZERO_RANGE */
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else {
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ret = -EOPNOTSUPP;
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}
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