diff options
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r-- | Documentation/filesystems/f2fs.txt | 18 | ||||
-rw-r--r-- | Documentation/filesystems/proc.txt | 3 |
2 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 69f8de995739..e5edd29687b5 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -157,6 +157,24 @@ data_flush Enable data flushing before checkpoint in order to persist data of regular and symlink. fault_injection=%d Enable fault injection in all supported types with specified injection rate. +fault_type=%d Support configuring fault injection type, should be + enabled with fault_injection option, fault type value + is shown below, it supports single or combined type. + Type_Name Type_Value + FAULT_KMALLOC 0x000000001 + FAULT_KVMALLOC 0x000000002 + FAULT_PAGE_ALLOC 0x000000004 + FAULT_PAGE_GET 0x000000008 + FAULT_ALLOC_BIO 0x000000010 + FAULT_ALLOC_NID 0x000000020 + FAULT_ORPHAN 0x000000040 + FAULT_BLOCK 0x000000080 + FAULT_DIR_DEPTH 0x000000100 + FAULT_EVICT_INODE 0x000000200 + FAULT_TRUNCATE 0x000000400 + FAULT_IO 0x000000800 + FAULT_CHECKPOINT 0x000001000 + FAULT_DISCARD 0x000002000 mode=%s Control block allocation mode which supports "adaptive" and "lfs". In "lfs" mode, there should be no random writes towards main area. diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 1605acbb23b6..22b4b00dee31 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -870,6 +870,7 @@ Committed_AS: 100056 kB VmallocTotal: 112216 kB VmallocUsed: 428 kB VmallocChunk: 111088 kB +Percpu: 62080 kB HardwareCorrupted: 0 kB AnonHugePages: 49152 kB ShmemHugePages: 0 kB @@ -962,6 +963,8 @@ Committed_AS: The amount of memory presently allocated on the system. VmallocTotal: total size of vmalloc memory area VmallocUsed: amount of vmalloc area which is used VmallocChunk: largest contiguous block of vmalloc area which is free + Percpu: Memory allocated to the percpu allocator used to back percpu + allocations. This stat excludes the cost of metadata. .............................................................................. |