diff options
Diffstat (limited to 'pkgs/tools/filesystems/squashfs/0001-Mksquashfs-add-no-hardlinks-option.patch')
| -rw-r--r-- | pkgs/tools/filesystems/squashfs/0001-Mksquashfs-add-no-hardlinks-option.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/pkgs/tools/filesystems/squashfs/0001-Mksquashfs-add-no-hardlinks-option.patch b/pkgs/tools/filesystems/squashfs/0001-Mksquashfs-add-no-hardlinks-option.patch deleted file mode 100644 index 0d6804a647b2..000000000000 --- a/pkgs/tools/filesystems/squashfs/0001-Mksquashfs-add-no-hardlinks-option.patch +++ /dev/null @@ -1,76 +0,0 @@ -From d925c9a11ee2e88ac8aac03f51892746f2bcf8cd Mon Sep 17 00:00:00 2001 -From: Phillip Lougher <phillip@squashfs.org.uk> -Date: Thu, 25 Feb 2021 23:12:10 +0000 -Subject: [PATCH] Mksquashfs: add -no-hardlinks option - -Normally Mksquashfs will detect hardlinks (multiple files with the -same inode) and hardlink them in the Squashfs image. - -But often hardlinks are used in the original filesystem -to save space, when files are discovered to be duplicate. -In this special case the only reason the files are -hardlinked is to save space, and where the filesystem -doesn't handle duplicate files (different inode, same -data). - -Squashfs does handle duplicate files, and so add -an option to ignore hardlinks and instead -store them as duplicates. - -Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk> ---- - squashfs-tools/mksquashfs.c | 16 +++++++++++----- - 1 file changed, 11 insertions(+), 5 deletions(-) - -diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c -index a45b77f..d4dc359 100644 ---- a/squashfs-tools/mksquashfs.c -+++ b/squashfs-tools/mksquashfs.c -@@ -312,6 +312,9 @@ struct dir_info *root_dir; - FILE *log_fd; - int logging=FALSE; - -+/* Should Mksquashfs detect hardlinked files? */ -+int no_hardlinks = FALSE; -+ - static char *read_from_disk(long long start, unsigned int avail_bytes); - void add_old_root_entry(char *name, squashfs_inode inode, int inode_number, - int type); -@@ -3093,11 +3096,11 @@ struct inode_info *lookup_inode3(struct stat *buf, int pseudo, int id, - - /* - * Look-up inode in hash table, if it already exists we have a -- * hard-link, so increment the nlink count and return it. -- * Don't do the look-up for directories because we don't hard-link -- * directories. -+ * hardlink, so increment the nlink count and return it. -+ * Don't do the look-up for directories because Unix/Linux doesn't -+ * allow hard-links to directories. - */ -- if ((buf->st_mode & S_IFMT) != S_IFDIR) { -+ if ((buf->st_mode & S_IFMT) != S_IFDIR && !no_hardlinks) { - for(inode = inode_info[ino_hash]; inode; inode = inode->next) { - if(memcmp(buf, &inode->buf, sizeof(struct stat)) == 0) { - inode->nlink ++; -@@ -5447,7 +5450,9 @@ int main(int argc, char *argv[]) - comp = lookup_compressor(COMP_DEFAULT); - - for(i = source + 2; i < argc; i++) { -- if(strcmp(argv[i], "-mkfs-time") == 0 || -+ if(strcmp(argv[i], "-no-hardlinks") == 0) -+ no_hardlinks = TRUE; -+ else if(strcmp(argv[i], "-mkfs-time") == 0 || - strcmp(argv[i], "-fstime") == 0) { - if((++i == argc) || !parse_num_unsigned(argv[i], &mkfs_time)) { - ERROR("%s: %s missing or invalid time value\n", argv[0], argv[i - 1]); -@@ -5893,6 +5898,7 @@ printOptions: - "files larger than block size\n"); - ERROR("-no-duplicates\t\tdo not perform duplicate " - "checking\n"); -+ ERROR("-no-hardlinks\t\tdo not hardlink files, instead store duplicates\n"); - ERROR("-all-root\t\tmake all files owned by root\n"); - ERROR("-root-mode <mode>\tset root directory permissions to octal <mode>\n"); - ERROR("-force-uid <uid>\tset all file uids to <uid>\n"); --- -2.30.0 - |