diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/obsolete/sysfs-class-dax | 22 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 7 |
2 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/ABI/obsolete/sysfs-class-dax b/Documentation/ABI/obsolete/sysfs-class-dax new file mode 100644 index 000000000000..2cb9fc5e8bd1 --- /dev/null +++ b/Documentation/ABI/obsolete/sysfs-class-dax @@ -0,0 +1,22 @@ +What: /sys/class/dax/ +Date: May, 2016 +KernelVersion: v4.7 +Contact: linux-nvdimm@lists.01.org +Description: Device DAX is the device-centric analogue of Filesystem + DAX (CONFIG_FS_DAX). It allows memory ranges to be + allocated and mapped without need of an intervening file + system. Device DAX is strict, precise and predictable. + Specifically this interface: + + 1/ Guarantees fault granularity with respect to a given + page size (pte, pmd, or pud) set at configuration time. + + 2/ Enforces deterministic behavior by being strict about + what fault scenarios are supported. + + The /sys/class/dax/ interface enumerates all the + device-dax instances in the system. The ABI is + deprecated and will be removed after 2020. It is + replaced with the DAX bus interface /sys/bus/dax/ where + device-dax instances can be found under + /sys/bus/dax/devices/ diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index a7ce33199457..91822ce25831 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -86,6 +86,13 @@ Description: The unit size is one block, now only support configuring in range of [1, 512]. +What: /sys/fs/f2fs/<disk>/umount_discard_timeout +Date: January 2019 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: + Set timeout to issue discard commands during umount. + Default: 5 secs + What: /sys/fs/f2fs/<disk>/max_victim_search Date: January 2014 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> |