xfs_bmap_one_block is only called for the attribute fork. Move it to
xfs_attr.c, drop the unused whichfork argument and code only executed for
the data fork and rename the result to xfs_attr_is_leaf.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_attr.c | 30 +++++++++++++++++++++++++-----
fs/xfs/libxfs/xfs_attr.h | 1 +
fs/xfs/libxfs/xfs_bmap.c | 32 --------------------------------
fs/xfs/libxfs/xfs_bmap.h | 1 -
fs/xfs/xfs_attr_list.c | 2 +-
5 files changed, 27 insertions(+), 39 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index 902e5f7e664231..fd61c67f573925 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -70,6 +70,26 @@ xfs_inode_hasattr(
return 1;
}
+/*
+ * Returns true if the there is exactly only block in the attr fork, in which
+ * case the attribute fork consists of a single leaf block entry.
+ */
+bool
+xfs_attr_is_leaf(
+ struct xfs_inode *ip)
+{
+ struct xfs_ifork *ifp = ip->i_afp;
+ struct xfs_iext_cursor icur;
+ struct xfs_bmbt_irec imap;
+
+ if (ifp->if_nextents != 1 || ifp->if_format != XFS_DINODE_FMT_EXTENTS)
+ return false;
+
+ xfs_iext_first(ifp, &icur);
+ xfs_iext_get_extent(ifp, &icur, &imap);
+ return imap.br_startoff == 0 && imap.br_blockcount == 1;
+}
+
/*========================================================================
* Overall external interface routines.
*========================================================================*/
@@ -89,7 +109,7 @@ xfs_attr_get_ilocked(
if (args->dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL)
return xfs_attr_shortform_getvalue(args);
- if (xfs_bmap_one_block(args->dp, XFS_ATTR_FORK))
+ if (xfs_attr_is_leaf(args->dp))
return xfs_attr_leaf_get(args);
return xfs_attr_node_get(args);
}
@@ -293,7 +313,7 @@ xfs_attr_set_args(
return error;
}
- if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
+ if (xfs_attr_is_leaf(dp)) {
error = xfs_attr_leaf_addname(args);
if (error != -ENOSPC)
return error;
@@ -347,7 +367,7 @@ xfs_has_attr(
return xfs_attr_sf_findname(args, NULL, NULL);
}
- if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
+ if (xfs_attr_is_leaf(dp)) {
error = xfs_attr_leaf_hasname(args, &bp);
if (bp)
@@ -374,7 +394,7 @@ xfs_attr_remove_args(
} else if (dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL) {
ASSERT(dp->i_afp->if_flags & XFS_IFINLINE);
error = xfs_attr_shortform_remove(args);
- } else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
+ } else if (xfs_attr_is_leaf(dp)) {
error = xfs_attr_leaf_removename(args);
} else {
error = xfs_attr_node_removename(args);
@@ -1283,7 +1303,7 @@ xfs_attr_node_removename(
/*
* If the result is small enough, push it all into the inode.
*/
- if (xfs_bmap_one_block(dp, XFS_ATTR_FORK))
+ if (xfs_attr_is_leaf(dp))
error = xfs_attr_node_shrink(args, state);
out:
diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
index 3e97a935e7121f..2b1f61987a9dec 100644
--- a/fs/xfs/libxfs/xfs_attr.h
+++ b/fs/xfs/libxfs/xfs_attr.h
@@ -85,6 +85,7 @@ int xfs_attr_inactive(struct xfs_inode *dp);
int xfs_attr_list_ilocked(struct xfs_attr_list_context *);
int xfs_attr_list(struct xfs_attr_list_context *);
int xfs_inode_hasattr(struct xfs_inode *ip);
+bool xfs_attr_is_leaf(struct xfs_inode *ip);
int xfs_attr_get_ilocked(struct xfs_da_args *args);
int xfs_attr_get(struct xfs_da_args *args);
int xfs_attr_set(struct xfs_da_args *args);
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 1b1b58af41fa7f..e32b8228d9cc2e 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1441,38 +1441,6 @@ xfs_bmap_last_offset(
return 0;
}
-/*
- * Returns whether the selected fork of the inode has exactly one
- * block or not. For the data fork we check this matches i_disk_size,
- * implying the file's range is 0..bsize-1.
- */
-int /* 1=>1 block, 0=>otherwise */
-xfs_bmap_one_block(
- struct xfs_inode *ip, /* incore inode */
- int whichfork) /* data or attr fork */
-{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
- int rval; /* return value */
- struct xfs_bmbt_irec s; /* internal version of extent */
- struct xfs_iext_cursor icur;
-
-#ifndef DEBUG
- if (whichfork == XFS_DATA_FORK)
- return XFS_ISIZE(ip) == ip->i_mount->m_sb.sb_blocksize;
-#endif /* !DEBUG */
- if (ifp->if_nextents != 1)
- return 0;
- if (ifp->if_format != XFS_DINODE_FMT_EXTENTS)
- return 0;
- ASSERT(ifp->if_flags & XFS_IFEXTENTS);
- xfs_iext_first(ifp, &icur);
- xfs_iext_get_extent(ifp, &icur, &s);
- rval = s.br_startoff == 0 && s.br_blockcount == 1;
- if (rval && whichfork == XFS_DATA_FORK)
- ASSERT(XFS_ISIZE(ip) == ip->i_mount->m_sb.sb_blocksize);
- return rval;
-}
-
/*
* Extent tree manipulation functions used during allocation.
*/
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index a49df4092c304b..f9a390ecfb1d9a 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -200,7 +200,6 @@ int xfs_bmap_last_before(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_fileoff_t *last_block, int whichfork);
int xfs_bmap_last_offset(struct xfs_inode *ip, xfs_fileoff_t *unused,
int whichfork);
-int xfs_bmap_one_block(struct xfs_inode *ip, int whichfork);
int xfs_bmapi_read(struct xfs_inode *ip, xfs_fileoff_t bno,
xfs_filblks_t len, struct xfs_bmbt_irec *mval,
int *nmap, int flags);
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 8f8837fe21cf02..25dcc98d50e6da 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -514,7 +514,7 @@ xfs_attr_list_ilocked(
return 0;
if (dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL)
return xfs_attr_shortform_list(context);
- if (xfs_bmap_one_block(dp, XFS_ATTR_FORK))
+ if (xfs_attr_is_leaf(dp))
return xfs_attr_leaf_list(context);
return xfs_attr_node_list(context);
}
--
2.30.1
