squashfsTools: 4.5.1 -> 4.6

I had to rebase the 4k alignment patch for this, but the conflicts were
easy to resolve, only due to context changes, nothing substantial.
This commit is contained in:
Ruud van Asseldonk 2023-03-18 12:03:00 +01:00
parent 3b8f051803
commit 02ef0aabda
2 changed files with 34 additions and 37 deletions

View file

@ -1,9 +1,11 @@
This patch is an old patch; see below for the original message body. The patch
has been updated twice: Once to apply to squashfs 4.4, commit
52eb4c279cd283ed9802dd1ceb686560b22ffb67, and later to apply to squashfs 4.5,
commit 0496d7c3de3e09da37ba492081c86159806ebb07.
has been updated several times to be compatible with new releases.
From 7bda7c75748f36b0a50f93e46144d5a4de4974ad Mon Sep 17 00:00:00 2001
* To apply to squashfs 4.4, commit 52eb4c279cd283ed9802dd1ceb686560b22ffb67.
* To apply to squashfs 4.5, commit 0496d7c3de3e09da37ba492081c86159806ebb07.
* To apply to squashfs 4.6, commit f7623b3d9953a1190fec181708c9489ef3522b9f.
From af8a6dca694ddd38d8a775a2b5f9a24fe2d10153 Mon Sep 17 00:00:00 2001
From: Amin Hassani <ahassani@google.com>
Date: Thu, 15 Dec 2016 10:43:15 -0800
Subject: [PATCH] mksquashfs 4K aligns the files inside the squashfs image
@ -21,23 +23,23 @@ increased_size = (number_of_unfragmented_files_in_image + number of fragments) *
The 4k alignment can be enabled by flag '-4k-align'
---
squashfs-tools/mksquashfs.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
squashfs-tools/mksquashfs.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c
index aaa4b00..eb2fb23 100644
index 3429aac..db164c2 100644
--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -99,6 +99,8 @@ int nopad = FALSE;
int exit_on_error = FALSE;
long long start_offset = 0;
int sleep_time = 0;
@@ -82,6 +82,8 @@ int noI = FALSE;
int noId = FALSE;
int noD = FALSE;
int noX = FALSE;
+int do_4k_align = FALSE;
+#define ALIGN_UP(bytes, size) (bytes = (bytes + size - 1) & ~(size - 1))
long long global_uid = -1, global_gid = -1;
@@ -1553,6 +1555,9 @@ static void unlock_fragments()
/* block size used to build filesystem */
int block_size = SQUASHFS_FILE_SIZE;
@@ -1624,6 +1626,9 @@ static void unlock_fragments()
* queue at this time.
*/
while(!queue_empty(locked_fragment)) {
@ -47,7 +49,7 @@ index aaa4b00..eb2fb23 100644
write_buffer = queue_get(locked_fragment);
frg = write_buffer->block;
size = SQUASHFS_COMPRESSED_SIZE_BLOCK(fragment_table[frg].size);
@@ -2460,6 +2465,9 @@ static void *frag_deflator(void *arg)
@@ -2627,6 +2632,9 @@ static void *frag_deflator(void *arg)
write_buffer->size = compressed_size;
pthread_mutex_lock(&fragment_mutex);
if(fragments_locked == FALSE) {
@ -57,7 +59,7 @@ index aaa4b00..eb2fb23 100644
fragment_table[file_buffer->block].size = c_byte;
fragment_table[file_buffer->block].start_block = bytes;
write_buffer->block = bytes;
@@ -2850,6 +2858,10 @@ static struct file_info *write_file_blocks(int *status, struct dir_ent *dir_ent,
@@ -3021,6 +3029,10 @@ static struct file_info *write_file_blocks(int *status, struct dir_ent *dir_ent,
struct file_info *file;
int bl_hash = 0;
@ -68,15 +70,15 @@ index aaa4b00..eb2fb23 100644
if(pre_duplicate(read_size, dir_ent->inode, read_buffer, &bl_hash))
return write_file_blocks_dup(status, dir_ent, read_buffer, dup, bl_hash);
@@ -5975,6 +5987,7 @@ static void print_options(FILE *stream, char *name, int total_mem)
fprintf(stream, "actions from <f>\n");
fprintf(stream, "-false-action-file <f>\tas -false-action, but read ");
fprintf(stream, "actions from <f>\n");
@@ -6169,6 +6181,7 @@ static void print_options(FILE *stream, char *name, int total_mem)
fprintf(stream, "or metadata. This is\n\t\t\tequivalent to ");
fprintf(stream, "specifying -noI -noD -noF and -noX\n");
fprintf(stream, "\nFilesystem build options:\n");
+ fprintf(stream, "-4k-align\t\tenables 4k alignment of all files\n");
fprintf(stream, "\nFilesystem filter options:\n");
fprintf(stream, "-p <pseudo-definition>\tAdd pseudo file definition\n");
fprintf(stream, "-pf <pseudo-file>\tAdd list of pseudo file definitions\n");
@@ -6198,6 +6211,7 @@ static void print_summary()
fprintf(stream, "-tar\t\t\tread uncompressed tar file from standard in (stdin)\n");
fprintf(stream, "-no-strip\t\tact like tar, and do not strip leading ");
fprintf(stream, "directories\n\t\t\tfrom source files\n");
@@ -6690,6 +6703,7 @@ static void print_summary()
"compressed", no_fragments ? "no" : noF ? "uncompressed" :
"compressed", no_xattrs ? "no" : noX ? "uncompressed" :
"compressed", noI || noId ? "uncompressed" : "compressed");
@ -84,15 +86,15 @@ index aaa4b00..eb2fb23 100644
printf("\tduplicates are %sremoved\n", duplicate_checking ? "" :
"not ");
printf("Filesystem size %.2f Kbytes (%.2f Mbytes)\n", bytes / 1024.0,
@@ -7499,6 +7513,9 @@ print_compressor_options:
root_name = argv[i];
} else if(strcmp(argv[i], "-version") == 0) {
print_version("mksquashfs");
+
@@ -8417,6 +8431,8 @@ print_compressor_options:
} else if(strcmp(argv[i], "-comp") == 0) {
/* parsed previously */
i++;
+ } else if(strcmp(argv[i], "-4k-align") == 0) {
+ do_4k_align = TRUE;
} else {
ERROR("%s: invalid option\n\n", argv[0]);
print_options(stderr, argv[0], total_mem);
--
2.32.0
2.39.2

View file

@ -14,21 +14,16 @@
stdenv.mkDerivation rec {
pname = "squashfs";
version = "4.5.1";
version = "4.6";
src = fetchFromGitHub {
owner = "plougher";
repo = "squashfs-tools";
rev = version;
sha256 = "sha256-Y3ZPjeE9HN1F+NtGe6EchYziWrTPVQ4SuKaCvNbXMKI=";
hash = "sha256-igpZ7OWmQeVprVo56E13gwWLIPLmZ9Me0/DqGTmRBLY=";
};
patches = [
# remove once https://github.com/plougher/squashfs-tools/pull/177 is merged and in a release
(fetchpatch {
url = "https://github.com/plougher/squashfs-tools/commit/6100e82c7e7f18f503c003c67c87791025d5f01b.patch";
sha256 = "sha256-bMBQsbSKQ4E7r9avns2QaomGAYl3s82m58gYyTQdB08=";
})
# This patch adds an option to pad filesystems (increasing size) in
# exchange for better chunking / binary diff calculation.
./4k-align.patch