Information on /proc/yaffs and /proc/yaffs_stats

$ cat yaffs_stats
0, 23515, 23488, 0, 0, 832, 7744
0, 30341, 24576, 12, 10, 858, 3152
0, 34813, 34752, 0, 0, 5, 0
$ cat yaffs
Multi-version YAFFS built:Aug 13 2012 11:58:47

Device 0 "system"
startBlock......... 0
endBlock........... 1919
totalBytesPerChunk. 2048
useNANDECC......... 1
noTagsECC.......... 1
isYaffs2........... 1
inbandTags......... 0
emptyLostAndFound.. 0
disableLazyLoad.... 0
refreshPeriod...... 0
nShortOpCaches..... 10
nReservedBlocks.... 5
alwaysCheckErased.. 0
nDataBytesPerChunk. 2048
chunkGroupBits..... 0
chunkGroupSize..... 1
nErasedBlocks...... 367
blocksInCheckpoint. 3
nTnodes............ 7744
nObjects........... 832
nFreeChunks........ 23515
nPageWrites........ 0
nPageReads......... 30286
nBlockErasures..... 0
nGCCopies.......... 0
allGCs............. 0
passiveGCs......... 0
oldestDirtyGCs..... 0
nGCBlocks.......... 0
backgroundGCs...... 0
nRetriedWrites..... 0
nRetireBlocks...... 0
eccFixed........... 0
eccUnfixed......... 0
tagsEccFixed....... 0
tagsEccUnfixed..... 0
cacheHits.......... 0
nDeletedFiles...... 0
nUnlinkedFiles..... 0
refreshCount....... 0
nBackgroudDeletions 0
Device 2 "userdata"
startBlock......... 0
endBlock........... 1063
totalBytesPerChunk. 2048
useNANDECC......... 1
noTagsECC.......... 1
isYaffs2........... 1
inbandTags......... 0
emptyLostAndFound.. 0
disableLazyLoad.... 0
refreshPeriod...... 0
nShortOpCaches..... 10
nReservedBlocks.... 5
alwaysCheckErased.. 0
nDataBytesPerChunk. 2048
chunkGroupBits..... 0
chunkGroupSize..... 1
nErasedBlocks...... 384
blocksInCheckpoint. 0
nTnodes............ 3152
nObjects........... 858
nFreeChunks........ 30341
nPageWrites........ 12521
nPageReads......... 25056
nBlockErasures..... 127
nGCCopies.......... 540
allGCs............. 112
passiveGCs......... 112
oldestDirtyGCs..... 10
nGCBlocks.......... 12
backgroundGCs...... 12
nRetriedWrites..... 0
nRetireBlocks...... 0
eccFixed........... 0
eccUnfixed......... 0
tagsEccFixed....... 0
tagsEccUnfixed..... 0
cacheHits.......... 4737
nDeletedFiles...... 0
nUnlinkedFiles..... 1858
refreshCount....... 0
nBackgroudDeletions 0
Device 4 "cache"
startBlock......... 0
endBlock........... 543
totalBytesPerChunk. 2048
useNANDECC......... 1
noTagsECC.......... 1
isYaffs2........... 1
inbandTags......... 0
emptyLostAndFound.. 0
disableLazyLoad.... 0
refreshPeriod...... 0
nShortOpCaches..... 10
nReservedBlocks.... 5
alwaysCheckErased.. 0
nDataBytesPerChunk. 2048
chunkGroupBits..... 0
chunkGroupSize..... 1
nErasedBlocks...... 543
blocksInCheckpoint. 0
nTnodes............ 0
nObjects........... 5
nFreeChunks........ 34813
nPageWrites........ 9
nPageReads......... 12
nBlockErasures..... 1
nGCCopies.......... 0
allGCs............. 0
passiveGCs......... 0
oldestDirtyGCs..... 0
nGCBlocks.......... 0
backgroundGCs...... 0
nRetriedWrites..... 0
nRetireBlocks...... 0
eccFixed........... 0
eccUnfixed......... 0
tagsEccFixed....... 0
tagsEccUnfixed..... 0
cacheHits.......... 0
nDeletedFiles...... 0
nUnlinkedFiles..... 4
refreshCount....... 0
nBackgroudDeletions 0