提交 fb4f2b4e 编写于 作者: B Brian Foster 提交者: Dave Chinner

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: NBrian Foster <bfoster@redhat.com>
上级 bfe46d4e
无相关合并请求
......@@ -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 */
......
......@@ -374,7 +374,7 @@ __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? */
......@@ -516,7 +516,7 @@ 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);
}
}
......
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