grub2/grub2-xfs-Add-helper-for-inode-size.patch

77 lines
2.5 KiB
Diff
Raw Normal View History

From 34231b28cbb6b2e10d7668c5b6d2432e8563bd1d Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 5 Jun 2014 20:56:21 +0200
Subject: [PATCH 1/4] xfs: Add helper for inode size
Signed-off-by: Jan Kara <jack@suse.cz>
---
grub-core/fs/xfs.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/grub-core/fs/xfs.c b/grub-core/fs/xfs.c
index 16ffd3f1ebd9..a2fc942707c1 100644
--- a/grub-core/fs/xfs.c
+++ b/grub-core/fs/xfs.c
@@ -255,6 +255,11 @@ grub_xfs_inode_offset (struct grub_xfs_data *data,
data->sblock.log2_inode);
}
+static inline int
+grub_xfs_inode_size(struct grub_xfs_data *data)
+{
+ return 1 << data->sblock.log2_inode;
+}
static grub_err_t
grub_xfs_read_inode (struct grub_xfs_data *data, grub_uint64_t ino,
@@ -264,8 +269,8 @@ grub_xfs_read_inode (struct grub_xfs_data *data, grub_uint64_t ino,
int offset = grub_xfs_inode_offset (data, ino);
/* Read the inode. */
- if (grub_disk_read (data->disk, block, offset,
- 1 << data->sblock.log2_inode, inode))
+ if (grub_disk_read (data->disk, block, offset, grub_xfs_inode_size(data),
+ inode))
return grub_errno;
if (grub_strncmp ((char *) inode->magic, "IN", 2))
@@ -297,7 +302,7 @@ grub_xfs_read_block (grub_fshelp_node_t node, grub_disk_addr_t fileblock)
if (node->inode.fork_offset)
recoffset = (node->inode.fork_offset - 1) / 2;
else
- recoffset = ((1 << node->data->sblock.log2_inode)
+ recoffset = (grub_xfs_inode_size(node->data)
- ((char *) &node->inode.data.btree.keys
- (char *) &node->inode))
/ (2 * sizeof (grub_uint64_t));
@@ -458,7 +463,7 @@ static int iterate_dir_call_hook (grub_uint64_t ino, const char *filename,
fdiro = grub_malloc (sizeof (struct grub_fshelp_node)
- sizeof (struct grub_xfs_inode)
- + (1 << ctx->diro->data->sblock.log2_inode) + 1);
+ + grub_xfs_inode_size(ctx->diro->data) + 1);
if (!fdiro)
{
grub_print_error ();
@@ -684,7 +689,7 @@ grub_xfs_mount (grub_disk_t disk)
data = grub_realloc (data,
sizeof (struct grub_xfs_data)
- sizeof (struct grub_xfs_inode)
- + (1 << data->sblock.log2_inode) + 1);
+ + grub_xfs_inode_size(data) + 1);
if (! data)
goto fail;
@@ -802,7 +807,7 @@ grub_xfs_open (struct grub_file *file, const char *name)
grub_memcpy (&data->diropen, fdiro,
sizeof (struct grub_fshelp_node)
- sizeof (struct grub_xfs_inode)
- + (1 << data->sblock.log2_inode));
+ + grub_xfs_inode_size(data));
grub_free (fdiro);
}
--
1.8.1.4