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authorChristoph Hellwig <hch@lst.de>2020-05-18 10:28:05 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2020-05-19 09:40:58 -0700
commitf7e67b20ecbbcb9180c888a5c4fde267935e075f (patch)
tree52cdcb7078e5a34fc08455d1a25f1c535f951fd1 /fs/xfs/libxfs/xfs_inode_fork.c
parentdaf83964a3681cf1f1f255ad6095c0b60cba7dca (diff)
xfs: move the fork format fields into struct xfs_ifork
Both the data and attr fork have a format that is stored in the legacy idinode. Move it into the xfs_ifork structure instead, where it uses up padding. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_fork.c')
-rw-r--r--fs/xfs/libxfs/xfs_inode_fork.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 2702ad5ba995..ef43b4893766 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -232,6 +232,7 @@ xfs_iformat_data_fork(
* Initialize the extent count early, as the per-format routines may
* depend on it.
*/
+ ip->i_df.if_format = dip->di_format;
ip->i_df.if_nextents = be32_to_cpu(dip->di_nextents);
switch (inode->i_mode & S_IFMT) {
@@ -245,7 +246,7 @@ xfs_iformat_data_fork(
case S_IFREG:
case S_IFLNK:
case S_IFDIR:
- switch (dip->di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_LOCAL:
error = xfs_iformat_local(ip, dip, XFS_DATA_FORK,
be64_to_cpu(dip->di_size));
@@ -291,9 +292,12 @@ xfs_iformat_attr_fork(
* depend on it.
*/
ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_NOFS);
+ ip->i_afp->if_format = dip->di_aformat;
+ if (unlikely(ip->i_afp->if_format == 0)) /* pre IRIX 6.2 file system */
+ ip->i_afp->if_format = XFS_DINODE_FMT_EXTENTS;
ip->i_afp->if_nextents = be16_to_cpu(dip->di_anextents);
- switch (dip->di_aformat) {
+ switch (ip->i_afp->if_format) {
case XFS_DINODE_FMT_LOCAL:
error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK,
xfs_dfork_attr_shortform_size(dip));
@@ -516,7 +520,7 @@ xfs_idestroy_fork(
* not local then we may or may not have an extents list,
* so check and free it up if we do.
*/
- if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) {
+ if (ifp->if_format == XFS_DINODE_FMT_LOCAL) {
if (ifp->if_u1.if_data != NULL) {
kmem_free(ifp->if_u1.if_data);
ifp->if_u1.if_data = NULL;
@@ -613,7 +617,7 @@ xfs_iflush_fork(
}
cp = XFS_DFORK_PTR(dip, whichfork);
mp = ip->i_mount;
- switch (XFS_IFORK_FORMAT(ip, whichfork)) {
+ switch (ifp->if_format) {
case XFS_DINODE_FMT_LOCAL:
if ((iip->ili_fields & dataflag[whichfork]) &&
(ifp->if_bytes > 0)) {
@@ -686,7 +690,7 @@ xfs_ifork_init_cow(
ip->i_cowfp = kmem_zone_zalloc(xfs_ifork_zone,
KM_NOFS);
ip->i_cowfp->if_flags = XFS_IFEXTENTS;
- ip->i_cformat = XFS_DINODE_FMT_EXTENTS;
+ ip->i_cowfp->if_format = XFS_DINODE_FMT_EXTENTS;
}
/* Verify the inline contents of the data fork of an inode. */