diff options
-rw-r--r-- | fs/ubifs/super.c | 8 | ||||
-rw-r--r-- | fs/ubifs/ubifs.h | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index d80b2aef42b..21b4103271e 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c | |||
@@ -2021,6 +2021,14 @@ static int __init ubifs_init(void) | |||
2021 | BUILD_BUG_ON(UBIFS_REF_NODE_SZ != 64); | 2021 | BUILD_BUG_ON(UBIFS_REF_NODE_SZ != 64); |
2022 | 2022 | ||
2023 | /* | 2023 | /* |
2024 | * We use 2 bit wide bit-fields to store compression type, which should | ||
2025 | * be amended if more compressors are added. The bit-fields are: | ||
2026 | * @compr_type in 'struct ubifs_inode' and @default_compr in | ||
2027 | * 'struct ubifs_info'. | ||
2028 | */ | ||
2029 | BUILD_BUG_ON(UBIFS_COMPR_TYPES_CNT > 4); | ||
2030 | |||
2031 | /* | ||
2024 | * We require that PAGE_CACHE_SIZE is greater-than-or-equal-to | 2032 | * We require that PAGE_CACHE_SIZE is greater-than-or-equal-to |
2025 | * UBIFS_BLOCK_SIZE. It is assumed that both are powers of 2. | 2033 | * UBIFS_BLOCK_SIZE. It is assumed that both are powers of 2. |
2026 | */ | 2034 | */ |
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 46b172560a0..4d76aba57ee 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h | |||
@@ -386,12 +386,12 @@ struct ubifs_inode { | |||
386 | unsigned int dirty:1; | 386 | unsigned int dirty:1; |
387 | unsigned int xattr:1; | 387 | unsigned int xattr:1; |
388 | unsigned int bulk_read:1; | 388 | unsigned int bulk_read:1; |
389 | unsigned int compr_type:2; | ||
389 | struct mutex ui_mutex; | 390 | struct mutex ui_mutex; |
390 | spinlock_t ui_lock; | 391 | spinlock_t ui_lock; |
391 | loff_t synced_i_size; | 392 | loff_t synced_i_size; |
392 | loff_t ui_size; | 393 | loff_t ui_size; |
393 | int flags; | 394 | int flags; |
394 | int compr_type; | ||
395 | pgoff_t last_page_read; | 395 | pgoff_t last_page_read; |
396 | pgoff_t read_in_a_row; | 396 | pgoff_t read_in_a_row; |
397 | int data_len; | 397 | int data_len; |
@@ -946,6 +946,7 @@ struct ubifs_mount_opts { | |||
946 | * @no_chk_data_crc: do not check CRCs when reading data nodes (except during | 946 | * @no_chk_data_crc: do not check CRCs when reading data nodes (except during |
947 | * recovery) | 947 | * recovery) |
948 | * @bulk_read: enable bulk-reads | 948 | * @bulk_read: enable bulk-reads |
949 | * @default_compr: default compression algorithm (%UBIFS_COMPR_LZO, etc) | ||
949 | * | 950 | * |
950 | * @tnc_mutex: protects the Tree Node Cache (TNC), @zroot, @cnext, @enext, and | 951 | * @tnc_mutex: protects the Tree Node Cache (TNC), @zroot, @cnext, @enext, and |
951 | * @calc_idx_sz | 952 | * @calc_idx_sz |
@@ -986,7 +987,6 @@ struct ubifs_mount_opts { | |||
986 | * @main_lebs: count of LEBs in the main area | 987 | * @main_lebs: count of LEBs in the main area |
987 | * @main_first: first LEB of the main area | 988 | * @main_first: first LEB of the main area |
988 | * @main_bytes: main area size in bytes | 989 | * @main_bytes: main area size in bytes |
989 | * @default_compr: default compression algorithm (%UBIFS_COMPR_LZO, etc) | ||
990 | * | 990 | * |
991 | * @key_hash_type: type of the key hash | 991 | * @key_hash_type: type of the key hash |
992 | * @key_hash: direntry key hash function | 992 | * @key_hash: direntry key hash function |
@@ -1196,6 +1196,7 @@ struct ubifs_info { | |||
1196 | unsigned int big_lpt:1; | 1196 | unsigned int big_lpt:1; |
1197 | unsigned int no_chk_data_crc:1; | 1197 | unsigned int no_chk_data_crc:1; |
1198 | unsigned int bulk_read:1; | 1198 | unsigned int bulk_read:1; |
1199 | unsigned int default_compr:2; | ||
1199 | 1200 | ||
1200 | struct mutex tnc_mutex; | 1201 | struct mutex tnc_mutex; |
1201 | struct ubifs_zbranch zroot; | 1202 | struct ubifs_zbranch zroot; |
@@ -1237,7 +1238,6 @@ struct ubifs_info { | |||
1237 | int main_lebs; | 1238 | int main_lebs; |
1238 | int main_first; | 1239 | int main_first; |
1239 | long long main_bytes; | 1240 | long long main_bytes; |
1240 | int default_compr; | ||
1241 | 1241 | ||
1242 | uint8_t key_hash_type; | 1242 | uint8_t key_hash_type; |
1243 | uint32_t (*key_hash)(const char *str, int len); | 1243 | uint32_t (*key_hash)(const char *str, int len); |