aboutsummaryrefslogtreecommitdiffstats
path: root/fs/logfs/logfs_abi.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/logfs/logfs_abi.h')
-rw-r--r--fs/logfs/logfs_abi.h10
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.