Messages in this thread Patch in this message | | | From | Sig Shen <> | Subject | [PATCH] vfs: Support FALLOC_FL_NO_HIDE_STALE flag with fallocate | Date | Fri, 15 Jun 2018 18:51:08 +0800 |
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FALLOC_FL_NO_HIDE_STALE flag must be set if user want to issue a discard request for block devices. But vfs_fallocate() will return with an error -EOPNOTSUPP indicating lack of support if this flag is set.
fix it by allowing FALLOC_FL_NO_HIDE_STALE flag in vfs_fallocate
Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices") Signed-off-by: Sig Shen <sigshen@synology.com> --- include/linux/falloc.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/linux/falloc.h b/include/linux/falloc.h index 674d59f..770a122 100644 --- a/include/linux/falloc.h +++ b/include/linux/falloc.h @@ -27,6 +27,7 @@ struct space_resv { FALLOC_FL_COLLAPSE_RANGE | \ FALLOC_FL_ZERO_RANGE | \ FALLOC_FL_INSERT_RANGE | \ + FALLOC_FL_NO_HIDE_STALE | \ FALLOC_FL_UNSHARE_RANGE) #endif /* _FALLOC_H_ */ -- 2.7.4
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