diff options
Diffstat (limited to 'include/linux/f2fs_fs.h')
-rw-r--r-- | include/linux/f2fs_fs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 25c6324a0dd0..3d6e6ce44c5c 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h | |||
@@ -284,6 +284,12 @@ struct f2fs_nat_block { | |||
284 | #define SIT_ENTRY_PER_BLOCK (PAGE_CACHE_SIZE / sizeof(struct f2fs_sit_entry)) | 284 | #define SIT_ENTRY_PER_BLOCK (PAGE_CACHE_SIZE / sizeof(struct f2fs_sit_entry)) |
285 | 285 | ||
286 | /* | 286 | /* |
287 | * F2FS uses 4 bytes to represent block address. As a result, supported size of | ||
288 | * disk is 16 TB and it equals to 16 * 1024 * 1024 / 2 segments. | ||
289 | */ | ||
290 | #define F2FS_MAX_SEGMENT ((16 * 1024 * 1024) / 2) | ||
291 | |||
292 | /* | ||
287 | * Note that f2fs_sit_entry->vblocks has the following bit-field information. | 293 | * Note that f2fs_sit_entry->vblocks has the following bit-field information. |
288 | * [15:10] : allocation type such as CURSEG_XXXX_TYPE | 294 | * [15:10] : allocation type such as CURSEG_XXXX_TYPE |
289 | * [9:0] : valid block count | 295 | * [9:0] : valid block count |