Commit 9268cc3523c120eed04a6ad980753d6e7b82d071
Committed by
Jaegeuk Kim
Jaegeuk Kim
1 parent
24c366a9ea
Exists in
smarc-l5.0.0_1.0.0-ga
and in
5 other branches
f2fs: update f2fs document to reflect SIT/NAT layout correctly
document to reflect the layout generated by mkfs.f2fs . Signed-off-by: Huajun Li <huajun.li.lee@gmail.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Showing 1 changed file with 9 additions and 9 deletions Side-by-side Diff
Documentation/filesystems/f2fs.txt
| ... | ... | @@ -175,9 +175,9 @@ |
| 175 | 175 | align with the zone size <-| |
| 176 | 176 | |-> align with the segment size |
| 177 | 177 | _________________________________________________________________________ |
| 178 | - | | | Node | Segment | Segment | | | |
| 179 | - | Superblock | Checkpoint | Address | Info. | Summary | Main | | |
| 180 | - | (SB) | (CP) | Table (NAT) | Table (SIT) | Area (SSA) | | | |
| 178 | + | | | Segment | Node | Segment | | | |
| 179 | + | Superblock | Checkpoint | Info. | Address | Summary | Main | | |
| 180 | + | (SB) | (CP) | Table (SIT) | Table (NAT) | Area (SSA) | | | |
| 181 | 181 | |____________|_____2______|______N______|______N______|______N_____|__N___| |
| 182 | 182 | . . |
| 183 | 183 | . . |
| 184 | 184 | |
| ... | ... | @@ -200,14 +200,14 @@ |
| 200 | 200 | : It contains file system information, bitmaps for valid NAT/SIT sets, orphan |
| 201 | 201 | inode lists, and summary entries of current active segments. |
| 202 | 202 | |
| 203 | -- Node Address Table (NAT) | |
| 204 | - : It is composed of a block address table for all the node blocks stored in | |
| 205 | - Main area. | |
| 206 | - | |
| 207 | 203 | - Segment Information Table (SIT) |
| 208 | 204 | : It contains segment information such as valid block count and bitmap for the |
| 209 | 205 | validity of all the blocks. |
| 210 | 206 | |
| 207 | +- Node Address Table (NAT) | |
| 208 | + : It is composed of a block address table for all the node blocks stored in | |
| 209 | + Main area. | |
| 210 | + | |
| 211 | 211 | - Segment Summary Area (SSA) |
| 212 | 212 | : It contains summary entries which contains the owner information of all the |
| 213 | 213 | data and node blocks stored in Main area. |
| 214 | 214 | |
| ... | ... | @@ -236,13 +236,13 @@ |
| 236 | 236 | valid, as shown as below. |
| 237 | 237 | |
| 238 | 238 | +--------+----------+---------+ |
| 239 | - | CP | NAT | SIT | | |
| 239 | + | CP | SIT | NAT | | |
| 240 | 240 | +--------+----------+---------+ |
| 241 | 241 | . . . . |
| 242 | 242 | . . . . |
| 243 | 243 | . . . . |
| 244 | 244 | +-------+-------+--------+--------+--------+--------+ |
| 245 | - | CP #0 | CP #1 | NAT #0 | NAT #1 | SIT #0 | SIT #1 | | |
| 245 | + | CP #0 | CP #1 | SIT #0 | SIT #1 | NAT #0 | NAT #1 | | |
| 246 | 246 | +-------+-------+--------+--------+--------+--------+ |
| 247 | 247 | | ^ ^ |
| 248 | 248 | | | | |