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94 lines
4.3 KiB
94 lines
4.3 KiB
2 years ago
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Thu, 21 Apr 2022 16:31:17 -0400
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Subject: [PATCH] ReiserFS: switch to using grub_min()/grub_max()
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This is a minor cleanup patch to remove the bespoke MIN() and MAX()
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definitions from the reiserfs driver, and uses grub_min() / grub_max()
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instead.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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(cherry picked from commit 5fc601574fce99b32fe4dfb55bd8f3ab0175fd6a)
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---
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grub-core/fs/reiserfs.c | 28 +++++++++-------------------
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1 file changed, 9 insertions(+), 19 deletions(-)
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diff --git a/grub-core/fs/reiserfs.c b/grub-core/fs/reiserfs.c
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index af6a226a7f..b8253da7fe 100644
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--- a/grub-core/fs/reiserfs.c
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+++ b/grub-core/fs/reiserfs.c
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@@ -42,16 +42,6 @@
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GRUB_MOD_LICENSE ("GPLv3+");
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-#define MIN(a, b) \
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- ({ typeof (a) _a = (a); \
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- typeof (b) _b = (b); \
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- _a < _b ? _a : _b; })
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-
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-#define MAX(a, b) \
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- ({ typeof (a) _a = (a); \
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- typeof (b) _b = (b); \
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- _a > _b ? _a : _b; })
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-
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#define REISERFS_SUPER_BLOCK_OFFSET 0x10000
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#define REISERFS_MAGIC_LEN 12
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#define REISERFS_MAGIC_STRING "ReIsEr"
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@@ -1076,7 +1066,7 @@ grub_reiserfs_read_real (struct grub_fshelp_node *node,
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grub_reiserfs_set_key_type (&key, GRUB_REISERFS_ANY, 2);
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initial_position = off;
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current_position = 0;
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- final_position = MIN (len + initial_position, node->size);
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+ final_position = grub_min (len + initial_position, node->size);
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grub_dprintf ("reiserfs",
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"Reading from %lld to %lld (%lld instead of requested %ld)\n",
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(unsigned long long) initial_position,
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@@ -1115,8 +1105,8 @@ grub_reiserfs_read_real (struct grub_fshelp_node *node,
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grub_dprintf ("reiserfs_blocktype", "D: %u\n", (unsigned) block);
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if (initial_position < current_position + item_size)
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{
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- offset = MAX ((signed) (initial_position - current_position), 0);
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- length = (MIN (item_size, final_position - current_position)
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+ offset = grub_max ((signed) (initial_position - current_position), 0);
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+ length = (grub_min (item_size, final_position - current_position)
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- offset);
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grub_dprintf ("reiserfs",
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"Reading direct block %u from %u to %u...\n",
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@@ -1161,9 +1151,9 @@ grub_reiserfs_read_real (struct grub_fshelp_node *node,
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grub_dprintf ("reiserfs_blocktype", "I: %u\n", (unsigned) block);
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if (current_position + block_size >= initial_position)
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{
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- offset = MAX ((signed) (initial_position - current_position),
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- 0);
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- length = (MIN (block_size, final_position - current_position)
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+ offset = grub_max ((signed) (initial_position - current_position),
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+ 0);
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+ length = (grub_min (block_size, final_position - current_position)
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- offset);
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grub_dprintf ("reiserfs",
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"Reading indirect block %u from %u to %u...\n",
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@@ -1205,7 +1195,7 @@ grub_reiserfs_read_real (struct grub_fshelp_node *node,
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switch (found.type)
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{
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case GRUB_REISERFS_DIRECT:
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- read_length = MIN (len, item_size - file->offset);
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+ read_length = grub_min (len, item_size - file->offset);
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grub_disk_read (found.data->disk,
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(found.block_number * block_size) / GRUB_DISK_SECTOR_SIZE,
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grub_le_to_cpu16 (found.header.item_location) + file->offset,
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@@ -1224,12 +1214,12 @@ grub_reiserfs_read_real (struct grub_fshelp_node *node,
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item_size, (char *) indirect_block_ptr);
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if (grub_errno)
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goto fail;
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- len = MIN (len, file->size - file->offset);
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+ len = grub_min (len, file->size - file->offset);
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for (indirect_block = file->offset / block_size;
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indirect_block < indirect_block_count && read_length < len;
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indirect_block++)
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{
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- read = MIN (block_size, len - read_length);
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+ read = grub_min (block_size, len - read_length);
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grub_disk_read (found.data->disk,
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(grub_le_to_cpu32 (indirect_block_ptr[indirect_block]) * block_size) / GRUB_DISK_SECTOR_SIZE,
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file->offset % block_size, read,
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