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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Hello Kim, Could you please pull this ? I will send a v2 if any review comments are there, please let me know. Thanks, Aravind > -----Original Message----- > From: Aravind Ramesh > Sent: Thursday, June 17, 2021 12:56 AM > To: linux-f2fs-devel@lists.sourceforge.net > Cc: jaegeuk@kernel.org; Aravind Ramesh > Subject: [f2fs-dev] [PATCH] f2fs-tools: fix metadata region overlap with zoned block > device zones > > For a volume using a zoned block device without conventional zones (e.g. a NVMe > ZNS drive), a regular block device must be used to store metadata so that in-place > metadata writes can be executed. The zoned block device cannot contain any > metadata blocks requiring in-place update (e.g. bitmap blocks). When formatting a > volume that contains host managed zoned block devices, make sure that the > conventional device used to store metadata is large enough to avoid write errors. > > Signed-off-by: Aravind Ramesh > --- > mkfs/f2fs_format.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c index 3565bd3..2132852 > 100644 > --- a/mkfs/f2fs_format.c > +++ b/mkfs/f2fs_format.c > @@ -440,6 +440,21 @@ static int f2fs_prepare_super_block(void) > main_blkzone); > return -1; > } > + /* > + * Check if conventional device has enough space > + * to accommodate all metadata, zoned device should > + * not overlap to metadata area. > + */ > + for (i = 1; i < c.ndevs; i++) { > + if (c.devices[i].zoned_model == F2FS_ZONED_HM && > + c.devices[i].start_blkaddr < get_sb(main_blkaddr)) > { > + MSG(0, "\tError: Conventional device %s is too > small," > + " (%"PRIu64" MiB needed).\n", > c.devices[0].path, > + (get_sb(main_blkaddr) - > + c.devices[i].start_blkaddr) >> 8); > + return -1; > + } > + } > } > > total_zones = get_sb(segment_count) / (c.segs_per_zone) - > -- > 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel