diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/Locking | 2 | ||||
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 6 | ||||
| -rw-r--r-- | Documentation/filesystems/nfs/nfs-rdma.txt | 9 | ||||
| -rw-r--r-- | Documentation/filesystems/proc.txt | 21 | ||||
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 2 | ||||
| -rw-r--r-- | Documentation/filesystems/xfs.txt | 29 |
6 files changed, 38 insertions, 31 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 7c3f187d48bf..0a926e2ba3ab 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -196,7 +196,7 @@ prototypes: void (*invalidatepage) (struct page *, unsigned int, unsigned int); int (*releasepage) (struct page *, int); void (*freepage)(struct page *); - int (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset); + int (*direct_IO)(struct kiocb *, struct iov_iter *iter, loff_t offset); int (*migratepage)(struct address_space *, struct page *, struct page *); int (*launder_page)(struct page *); int (*is_partially_uptodate)(struct page *, unsigned long, unsigned long); diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index dac11d7fef27..e9e750e59efc 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -140,6 +140,12 @@ nobarrier This option can be used if underlying storage guarantees fastboot This option is used when a system wants to reduce mount time as much as possible, even though normal performance can be sacrificed. +extent_cache Enable an extent cache based on rb-tree, it can cache + as many as extent which map between contiguous logical + address and physical address per inode, resulting in + increasing the cache hit ratio. +noinline_data Disable the inline data feature, inline data feature is + enabled by default. ================================================================================ DEBUGFS ENTRIES diff --git a/Documentation/filesystems/nfs/nfs-rdma.txt b/Documentation/filesystems/nfs/nfs-rdma.txt index 724043858b08..95c13aa575ff 100644 --- a/Documentation/filesystems/nfs/nfs-rdma.txt +++ b/Documentation/filesystems/nfs/nfs-rdma.txt @@ -187,8 +187,10 @@ Check RDMA and NFS Setup To further test the InfiniBand software stack, use IPoIB (this assumes you have two IB hosts named host1 and host2): - host1$ ifconfig ib0 a.b.c.x - host2$ ifconfig ib0 a.b.c.y + host1$ ip link set dev ib0 up + host1$ ip address add dev ib0 a.b.c.x + host2$ ip link set dev ib0 up + host2$ ip address add dev ib0 a.b.c.y host1$ ping a.b.c.y host2$ ping a.b.c.x @@ -229,7 +231,8 @@ NFS/RDMA Setup $ modprobe ib_mthca $ modprobe ib_ipoib - $ ifconfig ib0 a.b.c.d + $ ip li set dev ib0 up + $ ip addr add dev ib0 a.b.c.d NOTE: use unique addresses for the client and server diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index a07ba61662ed..c3b6b301d8b0 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -200,12 +200,12 @@ contains details information about the process itself. Its fields are explained in Table 1-4. (for SMP CONFIG users) -For making accounting scalable, RSS related information are handled in -asynchronous manner and the vaule may not be very precise. To see a precise +For making accounting scalable, RSS related information are handled in an +asynchronous manner and the value may not be very precise. To see a precise snapshot of a moment, you can see /proc/<pid>/smaps file and scan page table. It's slow but very precise. -Table 1-2: Contents of the status files (as of 2.6.30-rc7) +Table 1-2: Contents of the status files (as of 3.20.0) .............................................................................. Field Content Name filename of the executable @@ -213,6 +213,7 @@ Table 1-2: Contents of the status files (as of 2.6.30-rc7) in an uninterruptible wait, Z is zombie, T is traced or stopped) Tgid thread group ID + Ngid NUMA group ID (0 if none) Pid process id PPid process id of the parent process TracerPid PID of process tracing this process (0 if not) @@ -220,6 +221,10 @@ Table 1-2: Contents of the status files (as of 2.6.30-rc7) Gid Real, effective, saved set, and file system GIDs FDSize number of file descriptor slots currently allocated Groups supplementary group list + NStgid descendant namespace thread group ID hierarchy + NSpid descendant namespace process ID hierarchy + NSpgid descendant namespace process group ID hierarchy + NSsid descendant namespace session ID hierarchy VmPeak peak virtual memory size VmSize total program size VmLck locked memory size @@ -1255,9 +1260,9 @@ Various pieces of information about kernel activity are available in the since the system first booted. For a quick look, simply cat the file: > cat /proc/stat - cpu 2255 34 2290 22625563 6290 127 456 0 0 - cpu0 1132 34 1441 11311718 3675 127 438 0 0 - cpu1 1123 0 849 11313845 2614 0 18 0 0 + cpu 2255 34 2290 22625563 6290 127 456 0 0 0 + cpu0 1132 34 1441 11311718 3675 127 438 0 0 0 + cpu1 1123 0 849 11313845 2614 0 18 0 0 0 intr 114930548 113199788 3 0 5 263 0 4 [... lots more numbers ...] ctxt 1990473 btime 1062191376 @@ -1704,6 +1709,10 @@ A typical output is flags: 0100002 mnt_id: 19 +All locks associated with a file descriptor are shown in its fdinfo too. + +lock: 1: FLOCK ADVISORY WRITE 359 00:13:11691 0 EOF + The files such as eventfd, fsnotify, signalfd, epoll among the regular pos/flags pair provide additional information particular to the objects they represent. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 207cdca68bed..5d833b32bbcd 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -590,7 +590,7 @@ struct address_space_operations { void (*invalidatepage) (struct page *, unsigned int, unsigned int); int (*releasepage) (struct page *, int); void (*freepage)(struct page *); - ssize_t (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset); + ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter, loff_t offset); /* migrate the contents of a page to the specified target */ int (*migratepage) (struct page *, struct page *); int (*launder_page) (struct page *); diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt index 0bfafe108357..5a5a05582b58 100644 --- a/Documentation/filesystems/xfs.txt +++ b/Documentation/filesystems/xfs.txt @@ -228,30 +228,19 @@ default behaviour. Deprecated Mount Options ======================== - delaylog/nodelaylog - Delayed logging is the only logging method that XFS supports - now, so these mount options are now ignored. - - Due for removal in 3.12. - - ihashsize=value - In memory inode hashes have been removed, so this option has - no function as of August 2007. Option is deprecated. - - Due for removal in 3.12. +None at present. - irixsgid - This behaviour is now controlled by a sysctl, so the mount - option is ignored. - Due for removal in 3.12. +Removed Mount Options +===================== - osyncisdsync - osyncisosync - O_SYNC and O_DSYNC are fully supported, so there is no need - for these options any more. + Name Removed + ---- ------- + delaylog/nodelaylog v3.20 + ihashsize v3.20 + irixsgid v3.20 + osyncisdsync/osyncisosync v3.20 - Due for removal in 3.12. sysctls ======= |