diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.c | 7 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.h | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_inode.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_inode.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_inode_item.c | 31 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 6 |
6 files changed, 35 insertions, 17 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index af5ee8bd7e6a..917a41828ffb 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -230,10 +230,11 @@ xfs_inode_from_disk( to->di_nblocks = be64_to_cpu(from->di_nblocks); to->di_extsize = be32_to_cpu(from->di_extsize); to->di_forkoff = from->di_forkoff; - to->di_dmevmask = be32_to_cpu(from->di_dmevmask); - to->di_dmstate = be16_to_cpu(from->di_dmstate); to->di_flags = be16_to_cpu(from->di_flags); + if (from->di_dmevmask || from->di_dmstate) + xfs_iflags_set(ip, XFS_IPRESERVE_DM_FIELDS); + if (xfs_sb_version_has_v3inode(&ip->i_mount->m_sb)) { inode_set_iversion_queried(inode, be64_to_cpu(from->di_changecount)); @@ -311,8 +312,6 @@ xfs_inode_to_disk( to->di_anextents = cpu_to_be16(xfs_ifork_nextents(ip->i_afp)); to->di_forkoff = from->di_forkoff; to->di_aformat = xfs_ifork_format(ip->i_afp); - to->di_dmevmask = cpu_to_be32(from->di_dmevmask); - to->di_dmstate = cpu_to_be16(from->di_dmstate); to->di_flags = cpu_to_be16(from->di_flags); if (xfs_sb_version_has_v3inode(&ip->i_mount->m_sb)) { diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h index b3097ea8b533..d7a019df05d6 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.h +++ b/fs/xfs/libxfs/xfs_inode_buf.h @@ -22,8 +22,6 @@ struct xfs_icdinode { xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ - uint32_t di_dmevmask; /* DMIG event mask */ - uint16_t di_dmstate; /* DMIG state info */ uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ uint64_t di_flags2; /* more random flags */ diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 8c164fe62154..9c8fd11a5362 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -840,8 +840,6 @@ xfs_init_new_inode( inode->i_ctime = tv; ip->i_d.di_extsize = 0; - ip->i_d.di_dmevmask = 0; - ip->i_d.di_dmstate = 0; ip->i_d.di_flags = 0; if (xfs_sb_version_has_v3inode(&mp->m_sb)) { @@ -2615,9 +2613,10 @@ xfs_ifree( VFS_I(ip)->i_mode = 0; /* mark incore inode as free */ ip->i_d.di_flags = 0; ip->i_d.di_flags2 = ip->i_mount->m_ino_geo.new_diflags2; - ip->i_d.di_dmevmask = 0; ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */ ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS; + if (xfs_iflags_test(ip, XFS_IPRESERVE_DM_FIELDS)) + xfs_iflags_clear(ip, XFS_IPRESERVE_DM_FIELDS); /* Don't attempt to replay owner changes for a deleted inode */ spin_lock(&iip->ili_lock); diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 13f4cd2e1f4f..df5142767479 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -222,6 +222,7 @@ static inline bool xfs_inode_has_bigtime(struct xfs_inode *ip) #define XFS_IRECLAIMABLE (1 << 2) /* inode can be reclaimed */ #define __XFS_INEW_BIT 3 /* inode has just been allocated */ #define XFS_INEW (1 << __XFS_INEW_BIT) +#define XFS_IPRESERVE_DM_FIELDS (1 << 4) /* has legacy DMAPI fields set */ #define XFS_ITRUNCATED (1 << 5) /* truncated down so flush-on-close */ #define XFS_IDIRTY_RELEASE (1 << 6) /* dirty release already seen */ #define XFS_IFLUSHING (1 << 7) /* inode is being flushed */ diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 17e20a6d8b4e..16e758a68921 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -317,6 +317,33 @@ xfs_inode_to_log_dinode_ts( return its; } +/* + * The legacy DMAPI fields are only present in the on-disk and in-log inodes, + * but not in the in-memory one. But we are guaranteed to have an inode buffer + * in memory when logging an inode, so we can just copy it from the on-disk + * inode to the in-log inode here so that recovery of file system with these + * fields set to non-zero values doesn't lose them. For all other cases we zero + * the fields. + */ +static void +xfs_copy_dm_fields_to_log_dinode( + struct xfs_inode *ip, + struct xfs_log_dinode *to) +{ + struct xfs_dinode *dip; + + dip = xfs_buf_offset(ip->i_itemp->ili_item.li_buf, + ip->i_imap.im_boffset); + + if (xfs_iflags_test(ip, XFS_IPRESERVE_DM_FIELDS)) { + to->di_dmevmask = be32_to_cpu(dip->di_dmevmask); + to->di_dmstate = be16_to_cpu(dip->di_dmstate); + } else { + to->di_dmevmask = 0; + to->di_dmstate = 0; + } +} + static void xfs_inode_to_log_dinode( struct xfs_inode *ip, @@ -349,10 +376,10 @@ xfs_inode_to_log_dinode( to->di_anextents = xfs_ifork_nextents(ip->i_afp); to->di_forkoff = from->di_forkoff; to->di_aformat = xfs_ifork_format(ip->i_afp); - to->di_dmevmask = from->di_dmevmask; - to->di_dmstate = from->di_dmstate; to->di_flags = from->di_flags; + xfs_copy_dm_fields_to_log_dinode(ip, to); + /* log a dummy value to ensure log structure is fully initialised */ to->di_next_unlinked = NULLAGINO; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 42a8c7da492a..e5dd1c0c2f03 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2696,12 +2696,6 @@ xlog_recover_process_one_iunlink( agino = be32_to_cpu(dip->di_next_unlinked); xfs_buf_relse(ibp); - /* - * Prevent any DMAPI event from being sent when the reference on - * the inode is dropped. - */ - ip->i_d.di_dmevmask = 0; - xfs_irele(ip); return agino; |