diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:46 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:46 +0000 |
commit | 7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch) | |
tree | bcc69b5f4609f348fac49e2f59e210b29eaea783 /fs/erofs/super.c | |
parent | Adding upstream version 6.9.12. (diff) | |
download | linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip |
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/erofs/super.c')
-rw-r--r-- | fs/erofs/super.c | 74 |
1 files changed, 35 insertions, 39 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 30b49b2eee..1b91d95130 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -132,11 +132,11 @@ void *erofs_read_metadata(struct super_block *sb, struct erofs_buf *buf, int len, i, cnt; *offset = round_up(*offset, 4); - ptr = erofs_bread(buf, erofs_blknr(sb, *offset), EROFS_KMAP); + ptr = erofs_bread(buf, *offset, EROFS_KMAP); if (IS_ERR(ptr)) return ptr; - len = le16_to_cpu(*(__le16 *)&ptr[erofs_blkoff(sb, *offset)]); + len = le16_to_cpu(*(__le16 *)ptr); if (!len) len = U16_MAX + 1; buffer = kmalloc(len, GFP_KERNEL); @@ -148,12 +148,12 @@ void *erofs_read_metadata(struct super_block *sb, struct erofs_buf *buf, for (i = 0; i < len; i += cnt) { cnt = min_t(int, sb->s_blocksize - erofs_blkoff(sb, *offset), len - i); - ptr = erofs_bread(buf, erofs_blknr(sb, *offset), EROFS_KMAP); + ptr = erofs_bread(buf, *offset, EROFS_KMAP); if (IS_ERR(ptr)) { kfree(buffer); return ptr; } - memcpy(buffer + i, ptr + erofs_blkoff(sb, *offset), cnt); + memcpy(buffer + i, ptr, cnt); *offset += cnt; } return buffer; @@ -178,12 +178,10 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb, struct erofs_fscache *fscache; struct erofs_deviceslot *dis; struct file *bdev_file; - void *ptr; - ptr = erofs_read_metabuf(buf, sb, erofs_blknr(sb, *pos), EROFS_KMAP); - if (IS_ERR(ptr)) - return PTR_ERR(ptr); - dis = ptr + erofs_blkoff(sb, *pos); + dis = erofs_read_metabuf(buf, sb, *pos, EROFS_KMAP); + if (IS_ERR(dis)) + return PTR_ERR(dis); if (!sbi->devs->flatdev && !dif->path) { if (!dis->tag[0]) { @@ -345,7 +343,7 @@ static int erofs_read_superblock(struct super_block *sb) sbi->build_time = le64_to_cpu(dsb->build_time); sbi->build_time_nsec = le32_to_cpu(dsb->build_time_nsec); - memcpy(&sb->s_uuid, dsb->uuid, sizeof(dsb->uuid)); + super_set_uuid(sb, (void *)dsb->uuid, sizeof(dsb->uuid)); ret = strscpy(sbi->volume_name, dsb->volume_name, sizeof(dsb->volume_name)); @@ -859,7 +857,14 @@ static int __init erofs_module_init(void) if (err) goto deflate_err; - erofs_pcpubuf_init(); + err = z_erofs_zstd_init(); + if (err) + goto zstd_err; + + err = z_erofs_gbuf_init(); + if (err) + goto gbuf_err; + err = z_erofs_init_zip_subsystem(); if (err) goto zip_err; @@ -879,6 +884,10 @@ fs_err: sysfs_err: z_erofs_exit_zip_subsystem(); zip_err: + z_erofs_gbuf_exit(); +gbuf_err: + z_erofs_zstd_exit(); +zstd_err: z_erofs_deflate_exit(); deflate_err: z_erofs_lzma_exit(); @@ -898,33 +907,32 @@ static void __exit erofs_module_exit(void) erofs_exit_sysfs(); z_erofs_exit_zip_subsystem(); + z_erofs_zstd_exit(); z_erofs_deflate_exit(); z_erofs_lzma_exit(); erofs_exit_shrinker(); kmem_cache_destroy(erofs_inode_cachep); - erofs_pcpubuf_exit(); + z_erofs_gbuf_exit(); } static int erofs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; struct erofs_sb_info *sbi = EROFS_SB(sb); - u64 id = 0; - - if (!erofs_is_fscache_mode(sb)) - id = huge_encode_dev(sb->s_bdev->bd_dev); buf->f_type = sb->s_magic; buf->f_bsize = sb->s_blocksize; buf->f_blocks = sbi->total_blocks; buf->f_bfree = buf->f_bavail = 0; - buf->f_files = ULLONG_MAX; buf->f_ffree = ULLONG_MAX - sbi->inos; - buf->f_namelen = EROFS_NAME_LEN; - buf->f_fsid = u64_to_fsid(id); + if (uuid_is_null(&sb->s_uuid)) + buf->f_fsid = u64_to_fsid(erofs_is_fscache_mode(sb) ? 0 : + huge_encode_dev(sb->s_bdev->bd_dev)); + else + buf->f_fsid = uuid_to_fsid(sb->s_uuid.b); return 0; } @@ -933,26 +941,14 @@ static int erofs_show_options(struct seq_file *seq, struct dentry *root) struct erofs_sb_info *sbi = EROFS_SB(root->d_sb); struct erofs_mount_opts *opt = &sbi->opt; -#ifdef CONFIG_EROFS_FS_XATTR - if (test_opt(opt, XATTR_USER)) - seq_puts(seq, ",user_xattr"); - else - seq_puts(seq, ",nouser_xattr"); -#endif -#ifdef CONFIG_EROFS_FS_POSIX_ACL - if (test_opt(opt, POSIX_ACL)) - seq_puts(seq, ",acl"); - else - seq_puts(seq, ",noacl"); -#endif -#ifdef CONFIG_EROFS_FS_ZIP - if (opt->cache_strategy == EROFS_ZIP_CACHE_DISABLED) - seq_puts(seq, ",cache_strategy=disabled"); - else if (opt->cache_strategy == EROFS_ZIP_CACHE_READAHEAD) - seq_puts(seq, ",cache_strategy=readahead"); - else if (opt->cache_strategy == EROFS_ZIP_CACHE_READAROUND) - seq_puts(seq, ",cache_strategy=readaround"); -#endif + if (IS_ENABLED(CONFIG_EROFS_FS_XATTR)) + seq_puts(seq, test_opt(opt, XATTR_USER) ? + ",user_xattr" : ",nouser_xattr"); + if (IS_ENABLED(CONFIG_EROFS_FS_POSIX_ACL)) + seq_puts(seq, test_opt(opt, POSIX_ACL) ? ",acl" : ",noacl"); + if (IS_ENABLED(CONFIG_EROFS_FS_ZIP)) + seq_printf(seq, ",cache_strategy=%s", + erofs_param_cache_strategy[opt->cache_strategy].name); if (test_opt(opt, DAX_ALWAYS)) seq_puts(seq, ",dax=always"); if (test_opt(opt, DAX_NEVER)) |