From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Simmons Date: Sat, 13 Jun 2020 12:27:03 -0400 Subject: [lustre-devel] [PATCH 07/20] lustre: SEL: Add flag & setstripe support In-Reply-To: <1592065636-28333-1-git-send-email-jsimmons@infradead.org> References: <1592065636-28333-1-git-send-email-jsimmons@infradead.org> Message-ID: <1592065636-28333-8-git-send-email-jsimmons@infradead.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org From: Patrick Farrell The self-extending layouts feature adds a new layout flag and also uses the stripe size field differently. This patch implements this basic functionality, to be used in subsequent patches. Cray-bug-id: LUS-2528 WC-bug-id: https://jira.whamcloud.com/browse/LU-10070 Lustre-commit: fed241911f61b ("LU-10070 lod: SEL: Add flag & setstripe support") Signed-off-by: Patrick Farrell Reviewed-on: https://review.whamcloud.com/33782 Reviewed-by: Alexey Lyashkov Reviewed-by: Patrick Farrell Reviewed-by: Oleg Drokin Signed-off-by: James Simmons --- fs/lustre/ptlrpc/wiretest.c | 1 + include/uapi/linux/lustre/lustre_user.h | 8 ++++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/fs/lustre/ptlrpc/wiretest.c b/fs/lustre/ptlrpc/wiretest.c index dc1d0af..719d73b 100644 --- a/fs/lustre/ptlrpc/wiretest.c +++ b/fs/lustre/ptlrpc/wiretest.c @@ -1659,6 +1659,7 @@ void lustre_assert_wire_constants(void) BUILD_BUG_ON(LCME_FL_OFFLINE != 0x00000008); BUILD_BUG_ON(LCME_FL_INIT != 0x00000010); BUILD_BUG_ON(LCME_FL_NOSYNC != 0x00000020); + BUILD_BUG_ON(LCME_FL_EXTENSION != 0x00000040); BUILD_BUG_ON(LCME_FL_NEG != 0x80000000); /* Checks for struct lov_comp_md_v1 */ diff --git a/include/uapi/linux/lustre/lustre_user.h b/include/uapi/linux/lustre/lustre_user.h index b255f14..004d373 100644 --- a/include/uapi/linux/lustre/lustre_user.h +++ b/include/uapi/linux/lustre/lustre_user.h @@ -548,17 +548,17 @@ enum lov_comp_md_entry_flags { LCME_FL_OFFLINE = 0x00000008, /* Not used */ LCME_FL_INIT = 0x00000010, /* instantiated */ LCME_FL_NOSYNC = 0x00000020, /* FLR: no sync for the mirror */ + LCME_FL_EXTENSION = 0x00000040, /* extension comp, never init */ LCME_FL_NEG = 0x80000000, /* used to indicate a negative * flag, won't be stored on disk */ }; #define LCME_KNOWN_FLAGS (LCME_FL_NEG | LCME_FL_INIT | LCME_FL_STALE | \ - LCME_FL_PREF_RW | LCME_FL_NOSYNC) -/* The flags can be set by users at mirror creation time. */ -#define LCME_USER_FLAGS (LCME_FL_PREF_RW) + LCME_FL_PREF_RW | LCME_FL_NOSYNC | \ + LCME_FL_EXTENSION) -/* The flags are for mirrors */ +/* The mirror flags sent by client */ #define LCME_MIRROR_FLAGS (LCME_FL_NOSYNC) /* the highest bit in obdo::o_layout_version is used to mark if the file is -- 1.8.3.1