diff options
Diffstat (limited to 'fs/logfs/logfs_abi.h')
-rw-r--r-- | fs/logfs/logfs_abi.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/logfs/logfs_abi.h b/fs/logfs/logfs_abi.h index f674725663fe..ae960519c54a 100644 --- a/fs/logfs/logfs_abi.h +++ b/fs/logfs/logfs_abi.h | |||
@@ -50,9 +50,9 @@ static inline void check_##type(void) \ | |||
50 | * 12 - gc recycled blocks, long-lived data | 50 | * 12 - gc recycled blocks, long-lived data |
51 | * 13 - replacement blocks, short-lived data | 51 | * 13 - replacement blocks, short-lived data |
52 | * | 52 | * |
53 | * Levels 1-11 are necessary for robust gc operations and help seperate | 53 | * Levels 1-11 are necessary for robust gc operations and help separate |
54 | * short-lived metadata from longer-lived file data. In the future, | 54 | * short-lived metadata from longer-lived file data. In the future, |
55 | * file data should get seperated into several segments based on simple | 55 | * file data should get separated into several segments based on simple |
56 | * heuristics. Old data recycled during gc operation is expected to be | 56 | * heuristics. Old data recycled during gc operation is expected to be |
57 | * long-lived. New data is of uncertain life expectancy. New data | 57 | * long-lived. New data is of uncertain life expectancy. New data |
58 | * used to replace older blocks in existing files is expected to be | 58 | * used to replace older blocks in existing files is expected to be |
@@ -117,7 +117,7 @@ static inline void check_##type(void) \ | |||
117 | #define pure_ofs(ofs) (ofs & ~LOGFS_FULLY_POPULATED) | 117 | #define pure_ofs(ofs) (ofs & ~LOGFS_FULLY_POPULATED) |
118 | 118 | ||
119 | /* | 119 | /* |
120 | * LogFS needs to seperate data into levels. Each level is defined as the | 120 | * LogFS needs to separate data into levels. Each level is defined as the |
121 | * maximal possible distance from the master inode (inode of the inode file). | 121 | * maximal possible distance from the master inode (inode of the inode file). |
122 | * Data blocks reside on level 0, 1x indirect block on level 1, etc. | 122 | * Data blocks reside on level 0, 1x indirect block on level 1, etc. |
123 | * Inodes reside on level 6, indirect blocks for the inode file on levels 7-11. | 123 | * Inodes reside on level 6, indirect blocks for the inode file on levels 7-11. |
@@ -204,7 +204,7 @@ SIZE_CHECK(logfs_segment_header, LOGFS_SEGMENT_HEADERSIZE); | |||
204 | * @ds_crc: crc32 of structure starting with the next field | 204 | * @ds_crc: crc32 of structure starting with the next field |
205 | * @ds_ifile_levels: maximum number of levels for ifile | 205 | * @ds_ifile_levels: maximum number of levels for ifile |
206 | * @ds_iblock_levels: maximum number of levels for regular files | 206 | * @ds_iblock_levels: maximum number of levels for regular files |
207 | * @ds_data_levels: number of seperate levels for data | 207 | * @ds_data_levels: number of separate levels for data |
208 | * @pad0: reserved, must be 0 | 208 | * @pad0: reserved, must be 0 |
209 | * @ds_feature_incompat: incompatible filesystem features | 209 | * @ds_feature_incompat: incompatible filesystem features |
210 | * @ds_feature_ro_compat: read-only compatible filesystem features | 210 | * @ds_feature_ro_compat: read-only compatible filesystem features |
@@ -456,7 +456,7 @@ enum logfs_vim { | |||
456 | * @vim: life expectancy of data | 456 | * @vim: life expectancy of data |
457 | * | 457 | * |
458 | * "Areas" are segments currently being used for writing. There is at least | 458 | * "Areas" are segments currently being used for writing. There is at least |
459 | * one area per GC level. Several may be used to seperate long-living from | 459 | * one area per GC level. Several may be used to separate long-living from |
460 | * short-living data. If an area with unknown vim is encountered, it can | 460 | * short-living data. If an area with unknown vim is encountered, it can |
461 | * simply be closed. | 461 | * simply be closed. |
462 | * The write buffer immediately follow this header. | 462 | * The write buffer immediately follow this header. |