From 965e0a1ad273ba61a8040220ef8ec09c9d065875 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 29 Mar 2021 11:11:42 -0700 Subject: xfs: move the di_flushiter field to struct xfs_inode In preparation of removing the historic icinode struct, move the flushiter field into the containing xfs_inode structure. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_inode_buf.c | 4 ++-- fs/xfs/libxfs/xfs_inode_buf.h | 1 - fs/xfs/xfs_icache.c | 2 +- fs/xfs/xfs_inode.c | 19 +++++++++---------- fs/xfs/xfs_inode.h | 1 + fs/xfs/xfs_inode_item.c | 2 +- 6 files changed, 14 insertions(+), 15 deletions(-) diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 2656acbb95e6..3c7eb01c66ac 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -193,7 +193,7 @@ xfs_inode_from_disk( * inode. If the inode is unused, mode is zero and we shouldn't mess * with the uninitialized part of it. */ - to->di_flushiter = be16_to_cpu(from->di_flushiter); + ip->i_flushiter = be16_to_cpu(from->di_flushiter); inode->i_generation = be32_to_cpu(from->di_gen); inode->i_mode = be16_to_cpu(from->di_mode); if (!inode->i_mode) @@ -327,7 +327,7 @@ xfs_inode_to_disk( to->di_flushiter = 0; } else { to->di_version = 2; - to->di_flushiter = cpu_to_be16(from->di_flushiter); + to->di_flushiter = cpu_to_be16(ip->i_flushiter); } } diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h index 77d250dbe968..e41a11bef044 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.h +++ b/fs/xfs/libxfs/xfs_inode_buf.h @@ -16,7 +16,6 @@ struct xfs_dinode; * format specific structures at the appropriate time. */ struct xfs_icdinode { - uint16_t di_flushiter; /* incremented on flush */ uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 354ae9730003..afb705d1aef5 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -499,7 +499,7 @@ xfs_iget_cache_miss( * simply build the new inode core with a random generation number. * * For version 4 (and older) superblocks, log recovery is dependent on - * the di_flushiter field being initialised from the current on-disk + * the i_flushiter field being initialised from the current on-disk * value and hence we must also read the inode off disk even when * initializing new inodes. */ diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index cfd589c64ad9..06d779c9334b 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -3454,16 +3454,15 @@ xfs_iflush( } /* - * Inode item log recovery for v2 inodes are dependent on the - * di_flushiter count for correct sequencing. We bump the flush - * iteration count so we can detect flushes which postdate a log record - * during recovery. This is redundant as we now log every change and - * hence this can't happen but we need to still do it to ensure - * backwards compatibility with old kernels that predate logging all - * inode changes. + * Inode item log recovery for v2 inodes are dependent on the flushiter + * count for correct sequencing. We bump the flush iteration count so + * we can detect flushes which postdate a log record during recovery. + * This is redundant as we now log every change and hence this can't + * happen but we need to still do it to ensure backwards compatibility + * with old kernels that predate logging all inode changes. */ if (!xfs_sb_version_has_v3inode(&mp->m_sb)) - ip->i_d.di_flushiter++; + ip->i_flushiter++; /* * If there are inline format data / attr forks attached to this inode, @@ -3484,8 +3483,8 @@ xfs_iflush( xfs_inode_to_disk(ip, dip, iip->ili_item.li_lsn); /* Wrap, we never let the log put out DI_MAX_FLUSH */ - if (ip->i_d.di_flushiter == DI_MAX_FLUSH) - ip->i_d.di_flushiter = 0; + if (ip->i_flushiter == DI_MAX_FLUSH) + ip->i_flushiter = 0; xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK); if (XFS_IFORK_Q(ip)) diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 0ca1d4dd90b5..a76ca913f769 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -59,6 +59,7 @@ typedef struct xfs_inode { prid_t i_projid; /* owner's project id */ xfs_extlen_t i_extsize; /* basic/minimum extent size */ xfs_extlen_t i_cowextsize; /* basic cow extent size */ + uint16_t i_flushiter; /* incremented on flush */ struct xfs_icdinode i_d; /* most of ondisk inode */ diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index ebb2ce03f8e0..b5fbff17e9e4 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -396,7 +396,7 @@ xfs_inode_to_log_dinode( to->di_flushiter = 0; } else { to->di_version = 2; - to->di_flushiter = from->di_flushiter; + to->di_flushiter = ip->i_flushiter; } } -- cgit v1.2.3