diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/btrfs.c | 15 | ||||
-rw-r--r-- | fs/ext4/ext4_common.c | 2 | ||||
-rw-r--r-- | fs/ext4/ext4fs.c | 2 | ||||
-rw-r--r-- | fs/squashfs/sqfs_decompressor.c | 23 | ||||
-rw-r--r-- | fs/squashfs/sqfs_decompressor.h | 35 | ||||
-rw-r--r-- | fs/squashfs/sqfs_filesystem.h | 2 | ||||
-rw-r--r-- | fs/squashfs/sqfs_utils.h | 21 | ||||
-rw-r--r-- | fs/ubifs/ubifs.h | 1 |
8 files changed, 31 insertions, 70 deletions
diff --git a/fs/btrfs/btrfs.c b/fs/btrfs/btrfs.c index 4cdbbbe3d0..1149a3b200 100644 --- a/fs/btrfs/btrfs.c +++ b/fs/btrfs/btrfs.c @@ -228,7 +228,7 @@ int btrfs_read(const char *file, void *buf, loff_t offset, loff_t len, { struct btrfs_fs_info *fs_info = current_fs_info; struct btrfs_root *root; - loff_t real_size = 0; + loff_t real_size; u64 ino; u8 type; int ret; @@ -246,16 +246,13 @@ int btrfs_read(const char *file, void *buf, loff_t offset, loff_t len, return -EINVAL; } - if (!len) { - ret = btrfs_size(file, &real_size); - if (ret < 0) { - error("Failed to get inode size: %s", file); - return ret; - } - len = real_size; + ret = btrfs_size(file, &real_size); + if (ret < 0) { + error("Failed to get inode size: %s", file); + return ret; } - if (len > real_size - offset) + if (!len || len > real_size - offset) len = real_size - offset; ret = btrfs_file_read(root, ino, offset, len, buf); diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index f50de7c089..ea9b92298b 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -2368,7 +2368,7 @@ fail: return -1; } -int ext4fs_mount(unsigned part_length) +int ext4fs_mount(void) { struct ext2_data *data; int status; diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c index 4c89152ce4..3b12ec54fa 100644 --- a/fs/ext4/ext4fs.c +++ b/fs/ext4/ext4fs.c @@ -233,7 +233,7 @@ int ext4fs_probe(struct blk_desc *fs_dev_desc, { ext4fs_set_blk_dev(fs_dev_desc, fs_partition); - if (!ext4fs_mount(fs_partition->size)) { + if (!ext4fs_mount()) { ext4fs_close(); return -1; } diff --git a/fs/squashfs/sqfs_decompressor.c b/fs/squashfs/sqfs_decompressor.c index 6b3e01cdad..cfd1153fd7 100644 --- a/fs/squashfs/sqfs_decompressor.c +++ b/fs/squashfs/sqfs_decompressor.c @@ -18,6 +18,10 @@ #include <u-boot/zlib.h> #endif +#if IS_ENABLED(CONFIG_LZ4) +#include <u-boot/lz4.h> +#endif + #if IS_ENABLED(CONFIG_ZSTD) #include <linux/zstd.h> #endif @@ -38,6 +42,10 @@ int sqfs_decompressor_init(struct squashfs_ctxt *ctxt) case SQFS_COMP_ZLIB: break; #endif +#if IS_ENABLED(CONFIG_LZ4) + case SQFS_COMP_LZ4: + break; +#endif #if IS_ENABLED(CONFIG_ZSTD) case SQFS_COMP_ZSTD: ctxt->zstd_workspace = malloc(zstd_dctx_workspace_bound()); @@ -66,6 +74,10 @@ void sqfs_decompressor_cleanup(struct squashfs_ctxt *ctxt) case SQFS_COMP_ZLIB: break; #endif +#if IS_ENABLED(CONFIG_LZ4) + case SQFS_COMP_LZ4: + break; +#endif #if IS_ENABLED(CONFIG_ZSTD) case SQFS_COMP_ZSTD: free(ctxt->zstd_workspace); @@ -139,6 +151,17 @@ int sqfs_decompress(struct squashfs_ctxt *ctxt, void *dest, break; #endif +#if IS_ENABLED(CONFIG_LZ4) + case SQFS_COMP_LZ4: + ret = LZ4_decompress_safe(source, dest, src_len, *dest_len); + if (ret < 0) { + printf("LZ4 decompression failed.\n"); + return -EINVAL; + } + + ret = 0; + break; +#endif #if IS_ENABLED(CONFIG_ZSTD) case SQFS_COMP_ZSTD: ret = sqfs_zstd_decompress(ctxt, dest, *dest_len, source, src_len); diff --git a/fs/squashfs/sqfs_decompressor.h b/fs/squashfs/sqfs_decompressor.h index 892cfb6974..c48b74fdf5 100644 --- a/fs/squashfs/sqfs_decompressor.h +++ b/fs/squashfs/sqfs_decompressor.h @@ -18,41 +18,6 @@ #define SQFS_COMP_LZ4 5 #define SQFS_COMP_ZSTD 6 -/* LZMA does not support any compression options */ - -struct squashfs_gzip_opts { - u32 compression_level; - u16 window_size; - u16 strategies; -}; - -struct squashfs_xz_opts { - u32 dictionary_size; - u32 executable_filters; -}; - -struct squashfs_lz4_opts { - u32 version; - u32 flags; -}; - -struct squashfs_zstd_opts { - u32 compression_level; -}; - -struct squashfs_lzo_opts { - u32 algorithm; - u32 level; -}; - -union squashfs_compression_opts { - struct squashfs_gzip_opts *gzip; - struct squashfs_xz_opts *xz; - struct squashfs_lz4_opts *lz4; - struct squashfs_zstd_opts *zstd; - struct squashfs_lzo_opts *lzo; -}; - int sqfs_decompress(struct squashfs_ctxt *ctxt, void *dest, unsigned long *dest_len, void *source, u32 src_len); int sqfs_decompressor_init(struct squashfs_ctxt *ctxt); diff --git a/fs/squashfs/sqfs_filesystem.h b/fs/squashfs/sqfs_filesystem.h index 5440b6c0e0..be56498a5e 100644 --- a/fs/squashfs/sqfs_filesystem.h +++ b/fs/squashfs/sqfs_filesystem.h @@ -13,7 +13,6 @@ #include <part.h> #include <stdint.h> -#define SQFS_UNCOMPRESSED_DATA 0x0002 #define SQFS_MAGIC_NUMBER 0x73717368 /* The three first members of squashfs_dir_index make a total of 12 bytes */ #define SQFS_DIR_INDEX_BASE_LENGTH 12 @@ -23,7 +22,6 @@ #define SQFS_MAX_ENTRIES 512 /* Metadata blocks start by a 2-byte length header */ #define SQFS_HEADER_SIZE 2 -#define SQFS_LREG_INODE_MIN_SIZE 56 #define SQFS_DIR_HEADER_SIZE 12 #define SQFS_MISC_ENTRY_TYPE -1 #define SQFS_EMPTY_FILE_SIZE 3 diff --git a/fs/squashfs/sqfs_utils.h b/fs/squashfs/sqfs_utils.h index 1260abe22b..41f13e8a9e 100644 --- a/fs/squashfs/sqfs_utils.h +++ b/fs/squashfs/sqfs_utils.h @@ -15,11 +15,8 @@ #define SQFS_FRAGMENT_INDEX_OFFSET(A) ((A) % SQFS_MAX_ENTRIES) #define SQFS_FRAGMENT_INDEX(A) ((A) / SQFS_MAX_ENTRIES) #define SQFS_BLOCK_SIZE(A) ((A) & GENMASK(23, 0)) -#define SQFS_CHECK_FLAG(flag, bit) (((flag) >> (bit)) & 1) /* Useful for both fragment and data blocks */ #define SQFS_COMPRESSED_BLOCK(A) (!((A) & BIT(24))) -/* SQFS_COMPRESSED_DATA strictly used with super block's 'flags' member */ -#define SQFS_COMPRESSED_DATA(A) (!((A) & 0x0002)) #define SQFS_IS_FRAGMENTED(A) ((A) != 0xFFFFFFFF) /* * These two macros work as getters for a metada block header, retrieving the @@ -28,22 +25,4 @@ #define SQFS_COMPRESSED_METADATA(A) (!((A) & BIT(15))) #define SQFS_METADATA_SIZE(A) ((A) & GENMASK(14, 0)) -struct squashfs_super_block_flags { - /* check: unused - * uncompressed_ids: not supported - */ - bool uncompressed_inodes; - bool uncompressed_data; - bool check; - bool uncompressed_frags; - bool no_frags; - bool always_frags; - bool duplicates; - bool exportable; - bool uncompressed_xattrs; - bool no_xattrs; - bool compressor_options; - bool uncompressed_ids; -}; - #endif /* SQFS_UTILS_H */ diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 67b13c83b5..b4e761c366 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -68,7 +68,6 @@ struct page { void iput(struct inode *inode); /* linux/include/time.h */ -#define NSEC_PER_SEC 1000000000L #define get_seconds() 0 #define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 }) |