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xfs: move the fork format fields into struct xfs_ifork

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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>
This commit is contained in:
Christoph Hellwig
2020-05-18 10:28:05 -07:00
committed by Darrick J. Wong
parent daf83964a3
commit f7e67b20ec
27 changed files with 181 additions and 214 deletions
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32
fs/xfs/libxfs/xfs_attr_leaf.c
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@@ -538,7 +538,7 @@ xfs_attr_shortform_bytesfit(
/* rounded down */
offset = (XFS_LITINO(mp) - bytes) >> 3;
if (dp->i_d.di_format == XFS_DINODE_FMT_DEV) {
if (dp->i_df.if_format == XFS_DINODE_FMT_DEV) {
minforkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
return (offset >= minforkoff) ? minforkoff : 0;
}
@@ -566,7 +566,7 @@ xfs_attr_shortform_bytesfit(
dsize = dp->i_df.if_bytes;
switch (dp->i_d.di_format) {
switch (dp->i_df.if_format) {
case XFS_DINODE_FMT_EXTENTS:
/*
* If there is no attr fork and the data fork is extents,
@@ -635,22 +635,19 @@ xfs_sbversion_add_attr2(xfs_mount_t *mp, xfs_trans_t *tp)
* Create the initial contents of a shortform attribute list.
*/
void
xfs_attr_shortform_create(xfs_da_args_t *args)
xfs_attr_shortform_create(
struct xfs_da_args *args)
{
xfs_attr_sf_hdr_t *hdr;
xfs_inode_t *dp;
struct xfs_ifork *ifp;
struct xfs_inode *dp = args->dp;
struct xfs_ifork *ifp = dp->i_afp;
struct xfs_attr_sf_hdr *hdr;
trace_xfs_attr_sf_create(args);
dp = args->dp;
ASSERT(dp != NULL);
ifp = dp->i_afp;
ASSERT(ifp != NULL);
ASSERT(ifp->if_bytes == 0);
if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS) {
if (ifp->if_format == XFS_DINODE_FMT_EXTENTS) {
ifp->if_flags &= ~XFS_IFEXTENTS; /* just in case */
dp->i_d.di_aformat = XFS_DINODE_FMT_LOCAL;
ifp->if_format = XFS_DINODE_FMT_LOCAL;
ifp->if_flags |= XFS_IFINLINE;
} else {
ASSERT(ifp->if_flags & XFS_IFINLINE);
@@ -722,7 +719,6 @@ xfs_attr_fork_remove(
xfs_idestroy_fork(ip, XFS_ATTR_FORK);
ip->i_d.di_forkoff = 0;
ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
ASSERT(ip->i_afp == NULL);
@@ -775,7 +771,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
totsize -= size;
if (totsize == sizeof(xfs_attr_sf_hdr_t) &&
(mp->m_flags & XFS_MOUNT_ATTR2) &&
(dp->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
(dp->i_df.if_format != XFS_DINODE_FMT_BTREE) &&
!(args->op_flags & XFS_DA_OP_ADDNAME)) {
xfs_attr_fork_remove(dp, args->trans);
} else {
@@ -785,7 +781,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) ||
(args->op_flags & XFS_DA_OP_ADDNAME) ||
!(mp->m_flags & XFS_MOUNT_ATTR2) ||
dp->i_d.di_format == XFS_DINODE_FMT_BTREE);
dp->i_df.if_format == XFS_DINODE_FMT_BTREE);
xfs_trans_log_inode(args->trans, dp,
XFS_ILOG_CORE | XFS_ILOG_ADATA);
}
@@ -962,7 +958,7 @@ xfs_attr_shortform_allfit(
+ be16_to_cpu(name_loc->valuelen);
}
if ((dp->i_mount->m_flags & XFS_MOUNT_ATTR2) &&
(dp->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
(dp->i_df.if_format != XFS_DINODE_FMT_BTREE) &&
(bytes == sizeof(struct xfs_attr_sf_hdr)))
return -1;
return xfs_attr_shortform_bytesfit(dp, bytes);
@@ -981,7 +977,7 @@ xfs_attr_shortform_verify(
int i;
int64_t size;
ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_LOCAL);
ASSERT(ip->i_afp->if_format == XFS_DINODE_FMT_LOCAL);
ifp = XFS_IFORK_PTR(ip, XFS_ATTR_FORK);
sfp = (struct xfs_attr_shortform *)ifp->if_u1.if_data;
size = ifp->if_bytes;
@@ -1085,7 +1081,7 @@ xfs_attr3_leaf_to_shortform(
if (forkoff == -1) {
ASSERT(dp->i_mount->m_flags & XFS_MOUNT_ATTR2);
ASSERT(dp->i_d.di_format != XFS_DINODE_FMT_BTREE);
ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_BTREE);
xfs_attr_fork_remove(dp, args->trans);
goto out;
}