diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/ABI/testing/sysfs-block-zram | 99 | ||||
-rw-r--r-- | Documentation/filesystems/00-INDEX | 2 | ||||
-rw-r--r-- | Documentation/filesystems/smbfs.txt | 8 | ||||
-rw-r--r-- | Documentation/ioctl/ioctl-number.txt | 2 |
4 files changed, 100 insertions, 11 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram new file mode 100644 index 00000000000..c8b3b48ec62 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-block-zram @@ -0,0 +1,99 @@ +What: /sys/block/zram<id>/disksize +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The disksize file is read-write and specifies the disk size + which represents the limit on the *uncompressed* worth of data + that can be stored in this disk. + +What: /sys/block/zram<id>/initstate +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The disksize file is read-only and shows the initialization + state of the device. + +What: /sys/block/zram<id>/reset +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The disksize file is write-only and allows resetting the + device. The reset operation frees all the memory assocaited + with this device. + +What: /sys/block/zram<id>/num_reads +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The num_reads file is read-only and specifies the number of + reads (failed or successful) done on this device. + +What: /sys/block/zram<id>/num_writes +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The num_writes file is read-only and specifies the number of + writes (failed or successful) done on this device. + +What: /sys/block/zram<id>/invalid_io +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The invalid_io file is read-only and specifies the number of + non-page-size-aligned I/O requests issued to this device. + +What: /sys/block/zram<id>/notify_free +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The notify_free file is read-only and specifies the number of + swap slot free notifications received by this device. These + notifications are send to a swap block device when a swap slot + is freed. This statistic is applicable only when this disk is + being used as a swap disk. + +What: /sys/block/zram<id>/discard +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The discard file is read-only and specifies the number of + discard requests received by this device. These requests + provide information to block device regarding blocks which are + no longer used by filesystem. + +What: /sys/block/zram<id>/zero_pages +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The zero_pages file is read-only and specifies number of zero + filled pages written to this disk. No memory is allocated for + such pages. + +What: /sys/block/zram<id>/orig_data_size +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The orig_data_size file is read-only and specifies uncompressed + size of data stored in this disk. This excludes zero-filled + pages (zero_pages) since no memory is allocated for them. + Unit: bytes + +What: /sys/block/zram<id>/compr_data_size +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The compr_data_size file is read-only and specifies compressed + size of data stored in this disk. So, compression ratio can be + calculated using orig_data_size and this statistic. + Unit: bytes + +What: /sys/block/zram<id>/mem_used_total +Date: August 2010 +Contact: Nitin Gupta <ngupta@vflare.org> +Description: + The mem_used_total file is read-only and specifies the amount + of memory, including allocator fragmentation and metadata + overhead, allocated for this disk. So, allocator space + efficiency can be calculated using compr_data_size and this + statistic. + Unit: bytes
\ No newline at end of file diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX index 4303614b5ad..8c624a18f67 100644 --- a/Documentation/filesystems/00-INDEX +++ b/Documentation/filesystems/00-INDEX @@ -96,8 +96,6 @@ seq_file.txt - how to use the seq_file API sharedsubtree.txt - a description of shared subtrees for namespaces. -smbfs.txt - - info on using filesystems with the SMB protocol (Win 3.11 and NT). spufs.txt - info and mount options for the SPU filesystem used on Cell. sysfs-pci.txt diff --git a/Documentation/filesystems/smbfs.txt b/Documentation/filesystems/smbfs.txt deleted file mode 100644 index 194fb0decd2..00000000000 --- a/Documentation/filesystems/smbfs.txt +++ /dev/null @@ -1,8 +0,0 @@ -Smbfs is a filesystem that implements the SMB protocol, which is the -protocol used by Windows for Workgroups, Windows 95 and Windows NT. -Smbfs was inspired by Samba, the program written by Andrew Tridgell -that turns any Unix host into a file server for DOS or Windows clients. - -Smbfs is a SMB client, but uses parts of samba for its operation. For -more info on samba, including documentation, please go to -http://www.samba.org/ and then on to your nearest mirror. diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt index 33223ff121d..d15834a6e46 100644 --- a/Documentation/ioctl/ioctl-number.txt +++ b/Documentation/ioctl/ioctl-number.txt @@ -259,7 +259,7 @@ Code Seq#(hex) Include File Comments 't' 00-7F linux/if_ppp.h 't' 80-8F linux/isdn_ppp.h 't' 90 linux/toshiba.h -'u' 00-1F linux/smb_fs.h +'u' 00-1F linux/smb_fs.h gone 'v' all linux/videodev.h conflict! 'v' 00-1F linux/ext2_fs.h conflict! 'v' 00-1F linux/fs.h conflict! |