summaryrefslogtreecommitdiffstats
path: root/meta/recipes-extended/mdadm/files/0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-extended/mdadm/files/0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch')
-rw-r--r--meta/recipes-extended/mdadm/files/0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch155
1 files changed, 155 insertions, 0 deletions
diff --git a/meta/recipes-extended/mdadm/files/0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch b/meta/recipes-extended/mdadm/files/0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch
new file mode 100644
index 0000000000..13435ee418
--- /dev/null
+++ b/meta/recipes-extended/mdadm/files/0001-restripe.c-Use-_FILE_OFFSET_BITS-to-enable-largefile.patch
@@ -0,0 +1,155 @@
1From aa86de05cd6a75222b38e0789ac96fe00f705430 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Thu, 10 Nov 2022 12:31:22 -0800
4Subject: [PATCH] restripe.c: Use _FILE_OFFSET_BITS to enable largefile support
5
6Instead of using the lseek64 and friends, its better to enable it via
7the feature macro _FILE_OFFSET_BITS = 64 and let the C library deal with
8the width of types
9
10Upstream-Status: Submitted [https://lore.kernel.org/linux-raid/20221110225546.337164-1-raj.khem@gmail.com/]
11Signed-off-by: Khem Raj <raj.khem@gmail.com>
12---
13 raid6check.c | 11 +++++++----
14 restripe.c | 13 ++++++++-----
15 swap_super.c | 13 +++++++------
16 3 files changed, 22 insertions(+), 15 deletions(-)
17
18diff --git a/raid6check.c b/raid6check.c
19index 9947776..8e7f142 100644
20--- a/raid6check.c
21+++ b/raid6check.c
22@@ -22,6 +22,9 @@
23 * Based on "restripe.c" from "mdadm" codebase
24 */
25
26+/* Enable largefile support */
27+#define _FILE_OFFSET_BITS 64
28+
29 #include "mdadm.h"
30 #include <stdint.h>
31 #include <sys/mman.h>
32@@ -284,9 +287,9 @@ int manual_repair(int chunk_size, int syndrome_disks,
33 }
34
35 int write_res1, write_res2;
36- off64_t seek_res;
37+ off_t seek_res;
38
39- seek_res = lseek64(source[fd1],
40+ seek_res = lseek(source[fd1],
41 offsets[fd1] + start * chunk_size, SEEK_SET);
42 if (seek_res < 0) {
43 fprintf(stderr, "lseek failed for failed_disk1\n");
44@@ -294,7 +297,7 @@ int manual_repair(int chunk_size, int syndrome_disks,
45 }
46 write_res1 = write(source[fd1], blocks[failed_slot1], chunk_size);
47
48- seek_res = lseek64(source[fd2],
49+ seek_res = lseek(source[fd2],
50 offsets[fd2] + start * chunk_size, SEEK_SET);
51 if (seek_res < 0) {
52 fprintf(stderr, "lseek failed for failed_disk2\n");
53@@ -379,7 +382,7 @@ int check_stripes(struct mdinfo *info, int *source, unsigned long long *offsets,
54 goto exitCheck;
55 }
56 for (i = 0 ; i < raid_disks ; i++) {
57- off64_t seek_res = lseek64(source[i], offsets[i] + start * chunk_size,
58+ off_t seek_res = lseek(source[i], offsets[i] + start * chunk_size,
59 SEEK_SET);
60 if (seek_res < 0) {
61 fprintf(stderr, "lseek to source %d failed\n", i);
62diff --git a/restripe.c b/restripe.c
63index a7a7229..1c03577 100644
64--- a/restripe.c
65+++ b/restripe.c
66@@ -22,6 +22,9 @@
67 * Email: <neilb@suse.de>
68 */
69
70+/* Enable largefile support */
71+#define _FILE_OFFSET_BITS 64
72+
73 #include "mdadm.h"
74 #include <stdint.h>
75
76@@ -581,7 +584,7 @@ int save_stripes(int *source, unsigned long long *offsets,
77 raid_disks, level, layout);
78 if (dnum < 0) abort();
79 if (source[dnum] < 0 ||
80- lseek64(source[dnum],
81+ lseek(source[dnum],
82 offsets[dnum] + offset, 0) < 0 ||
83 read(source[dnum], buf+disk * chunk_size,
84 chunk_size) != chunk_size) {
85@@ -754,8 +757,8 @@ int restore_stripes(int *dest, unsigned long long *offsets,
86 raid_disks, level, layout);
87 if (src_buf == NULL) {
88 /* read from file */
89- if (lseek64(source, read_offset, 0) !=
90- (off64_t)read_offset) {
91+ if (lseek(source, read_offset, 0) !=
92+ (off_t)read_offset) {
93 rv = -1;
94 goto abort;
95 }
96@@ -816,7 +819,7 @@ int restore_stripes(int *dest, unsigned long long *offsets,
97 }
98 for (i=0; i < raid_disks ; i++)
99 if (dest[i] >= 0) {
100- if (lseek64(dest[i],
101+ if (lseek(dest[i],
102 offsets[i]+offset, 0) < 0) {
103 rv = -1;
104 goto abort;
105@@ -866,7 +869,7 @@ int test_stripes(int *source, unsigned long long *offsets,
106 int disk;
107
108 for (i = 0 ; i < raid_disks ; i++) {
109- if ((lseek64(source[i], offsets[i]+start, 0) < 0) ||
110+ if ((lseek(source[i], offsets[i]+start, 0) < 0) ||
111 (read(source[i], stripes[i], chunk_size) !=
112 chunk_size)) {
113 free(q);
114diff --git a/swap_super.c b/swap_super.c
115index b6db574..18c89e2 100644
116--- a/swap_super.c
117+++ b/swap_super.c
118@@ -1,3 +1,6 @@
119+/* Enable largefile support */
120+#define _FILE_OFFSET_BITS 64
121+
122 #include <unistd.h>
123 #include <stdlib.h>
124 #include <fcntl.h>
125@@ -16,8 +19,6 @@
126
127 #define MD_NEW_SIZE_SECTORS(x) ((x & ~(MD_RESERVED_SECTORS - 1)) - MD_RESERVED_SECTORS)
128
129-extern long long lseek64(int, long long, int);
130-
131 int main(int argc, char *argv[])
132 {
133 int fd, i;
134@@ -38,8 +39,8 @@ int main(int argc, char *argv[])
135 exit(1);
136 }
137 offset = MD_NEW_SIZE_SECTORS(size) * 512LL;
138- if (lseek64(fd, offset, 0) < 0LL) {
139- perror("lseek64");
140+ if (lseek(fd, offset, 0) < 0LL) {
141+ perror("lseek");
142 exit(1);
143 }
144 if (read(fd, super, 4096) != 4096) {
145@@ -68,8 +69,8 @@ int main(int argc, char *argv[])
146 super[32*4+10*4 +i] = t;
147 }
148
149- if (lseek64(fd, offset, 0) < 0LL) {
150- perror("lseek64");
151+ if (lseek(fd, offset, 0) < 0LL) {
152+ perror("lseek");
153 exit(1);
154 }
155 if (write(fd, super, 4096) != 4096) {