From 8fb67ff4a3ef924f135df2cca32d10cca3d54f07 Mon Sep 17 00:00:00 2001 From: Brian Foster Date: Fri, 29 May 2015 08:54:03 +1000 Subject: [PATCH] xfs: add sparse inode chunk alignment superblock field Add sb_spino_align to the superblock to specify sparse inode chunk alignment. This also currently represents the minimum allowable sparse chunk allocation size. Signed-off-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- libxfs/xfs_format.h | 4 ++-- libxfs/xfs_sb.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 4d313d3d1..20acbc445 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -170,7 +170,7 @@ typedef struct xfs_sb { __uint32_t sb_features_log_incompat; __uint32_t sb_crc; /* superblock crc */ - __uint32_t sb_pad; + xfs_extlen_t sb_spino_align; /* sparse inode chunk alignment */ xfs_ino_t sb_pquotino; /* project quota inode */ xfs_lsn_t sb_lsn; /* last write sequence */ @@ -256,7 +256,7 @@ typedef struct xfs_dsb { __be32 sb_features_log_incompat; __le32 sb_crc; /* superblock crc */ - __be32 sb_pad; + __be32 sb_spino_align; /* sparse inode chunk alignment */ __be64 sb_pquotino; /* project quota inode */ __be64 sb_lsn; /* last write sequence */ diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index 6844cd8c3..f34c6765f 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -357,7 +357,7 @@ __xfs_sb_from_disk( be32_to_cpu(from->sb_features_log_incompat); /* crc is only used on disk, not in memory; just init to 0 here. */ to->sb_crc = 0; - to->sb_pad = 0; + to->sb_spino_align = be32_to_cpu(from->sb_spino_align); to->sb_pquotino = be64_to_cpu(from->sb_pquotino); to->sb_lsn = be64_to_cpu(from->sb_lsn); /* Convert on-disk flags to in-memory flags? */ @@ -499,7 +499,7 @@ xfs_sb_to_disk( cpu_to_be32(from->sb_features_incompat); to->sb_features_log_incompat = cpu_to_be32(from->sb_features_log_incompat); - to->sb_pad = 0; + to->sb_spino_align = cpu_to_be32(from->sb_spino_align); to->sb_lsn = cpu_to_be64(from->sb_lsn); } } -- 2.50.1