diff options
Diffstat (limited to 'Documentation/filesystems')
15 files changed, 45 insertions, 25 deletions
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX index 7001782ab932..875d49696b6e 100644 --- a/Documentation/filesystems/00-INDEX +++ b/Documentation/filesystems/00-INDEX @@ -1,7 +1,5 @@ 00-INDEX - this file (info on some of the filesystems supported by linux). -Exporting - - explanation of how to make filesystems exportable. Locking - info on locking rules as they pertain to Linux VFS. 9p.txt @@ -68,12 +66,8 @@ mandatory-locking.txt - info on the Linux implementation of Sys V mandatory file locking. ncpfs.txt - info on Novell Netware(tm) filesystem using NCP protocol. -nfs41-server.txt - - info on the Linux server implementation of NFSv4 minor version 1. -nfs-rdma.txt - - how to install and setup the Linux NFS/RDMA client and server software. -nfsroot.txt - - short guide on setting up a diskless box with NFS root filesystem. +nfs/ + - nfs-related documentation. nilfs2.txt - info and mount options for the NILFS2 filesystem. ntfs.txt @@ -92,8 +86,6 @@ relay.txt - info on relay, for efficient streaming from kernel to user space. romfs.txt - description of the ROMFS filesystem. -rpc-cache.txt - - introduction to the caching mechanisms in the sunrpc layer. seq_file.txt - how to use the seq_file API sharedsubtree.txt diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index af6885c3c821..e1def1786e50 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -196,7 +196,7 @@ nobarrier This also requires an IO stack which can support also be used to enable or disable barriers, for consistency with other ext4 mount options. -inode_readahead=n This tuning parameter controls the maximum +inode_readahead_blks=n This tuning parameter controls the maximum number of inode table blocks that ext4's inode table readahead algorithm will pre-read into the buffer cache. The default value is 32 blocks. diff --git a/Documentation/filesystems/nfs/00-INDEX b/Documentation/filesystems/nfs/00-INDEX new file mode 100644 index 000000000000..2f68cd688769 --- /dev/null +++ b/Documentation/filesystems/nfs/00-INDEX @@ -0,0 +1,16 @@ +00-INDEX + - this file (nfs-related documentation). +Exporting + - explanation of how to make filesystems exportable. +knfsd-stats.txt + - statistics which the NFS server makes available to user space. +nfs.txt + - nfs client, and DNS resolution for fs_locations. +nfs41-server.txt + - info on the Linux server implementation of NFSv4 minor version 1. +nfs-rdma.txt + - how to install and setup the Linux NFS/RDMA client and server software +nfsroot.txt + - short guide on setting up a diskless box with NFS root filesystem. +rpc-cache.txt + - introduction to the caching mechanisms in the sunrpc layer. diff --git a/Documentation/filesystems/Exporting b/Documentation/filesystems/nfs/Exporting index 87019d2b5981..87019d2b5981 100644 --- a/Documentation/filesystems/Exporting +++ b/Documentation/filesystems/nfs/Exporting diff --git a/Documentation/filesystems/knfsd-stats.txt b/Documentation/filesystems/nfs/knfsd-stats.txt index 64ced5149d37..64ced5149d37 100644 --- a/Documentation/filesystems/knfsd-stats.txt +++ b/Documentation/filesystems/nfs/knfsd-stats.txt diff --git a/Documentation/filesystems/nfs-rdma.txt b/Documentation/filesystems/nfs/nfs-rdma.txt index e386f7e4bcee..e386f7e4bcee 100644 --- a/Documentation/filesystems/nfs-rdma.txt +++ b/Documentation/filesystems/nfs/nfs-rdma.txt diff --git a/Documentation/filesystems/nfs.txt b/Documentation/filesystems/nfs/nfs.txt index f50f26ce6cd0..f50f26ce6cd0 100644 --- a/Documentation/filesystems/nfs.txt +++ b/Documentation/filesystems/nfs/nfs.txt diff --git a/Documentation/filesystems/nfs41-server.txt b/Documentation/filesystems/nfs/nfs41-server.txt index 5920fe26e6ff..1bd0d0c05171 100644 --- a/Documentation/filesystems/nfs41-server.txt +++ b/Documentation/filesystems/nfs/nfs41-server.txt @@ -41,7 +41,7 @@ interoperability problems with future clients. Known issues: conformant with the spec (for example, we don't use kerberos on the backchannel correctly). - no trunking support: no clients currently take advantage of - trunking, but this is a mandatory failure, and its use is + trunking, but this is a mandatory feature, and its use is recommended to clients in a number of places. (E.g. to ensure timely renewal in case an existing connection's retry timeouts have gotten too long; see section 8.3 of the draft.) @@ -213,3 +213,10 @@ The following cases aren't supported yet: DESTROY_CLIENTID, DESTROY_SESSION, EXCHANGE_ID. * DESTROY_SESSION MUST be the final operation in the COMPOUND request. +Nonstandard compound limitations: +* No support for a sessions fore channel RPC compound that requires both a + ca_maxrequestsize request and a ca_maxresponsesize reply, so we may + fail to live up to the promise we made in CREATE_SESSION fore channel + negotiation. +* No more than one IO operation (read, write, readdir) allowed per + compound. diff --git a/Documentation/filesystems/nfsroot.txt b/Documentation/filesystems/nfs/nfsroot.txt index 3ba0b945aaf8..3ba0b945aaf8 100644 --- a/Documentation/filesystems/nfsroot.txt +++ b/Documentation/filesystems/nfs/nfsroot.txt diff --git a/Documentation/filesystems/rpc-cache.txt b/Documentation/filesystems/nfs/rpc-cache.txt index 8a382bea6808..8a382bea6808 100644 --- a/Documentation/filesystems/rpc-cache.txt +++ b/Documentation/filesystems/nfs/rpc-cache.txt diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt index 4949fcaa6b6a..839efd8a8a8c 100644 --- a/Documentation/filesystems/nilfs2.txt +++ b/Documentation/filesystems/nilfs2.txt @@ -28,7 +28,7 @@ described in the man pages included in the package. Project web page: http://www.nilfs.org/en/ Download page: http://www.nilfs.org/en/download.html Git tree web page: http://www.nilfs.org/git/ -NILFS mailing lists: http://www.nilfs.org/mailman/listinfo/users +List info: http://vger.kernel.org/vger-lists.html#linux-nilfs Caveats ======= diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 92b888d540a6..a7e9746ee7ea 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -140,7 +140,7 @@ Callers of notify_change() need ->i_mutex now. New super_block field "struct export_operations *s_export_op" for explicit support for exporting, e.g. via NFS. The structure is fully documented at its declaration in include/linux/fs.h, and in -Documentation/filesystems/Exporting. +Documentation/filesystems/nfs/Exporting. Briefly it allows for the definition of decode_fh and encode_fh operations to encode and decode filehandles, and allows the filesystem to use diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 94b9f2056f4c..0d07513a67a6 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -38,6 +38,7 @@ Table of Contents 3.3 /proc/<pid>/io - Display the IO accounting fields 3.4 /proc/<pid>/coredump_filter - Core dump filtering settings 3.5 /proc/<pid>/mountinfo - Information about mounts + 3.6 /proc/<pid>/comm & /proc/<pid>/task/<tid>/comm ------------------------------------------------------------------------------ @@ -176,7 +177,6 @@ read the file /proc/PID/status: CapBnd: ffffffffffffffff voluntary_ctxt_switches: 0 nonvoluntary_ctxt_switches: 1 - Stack usage: 12 kB This shows you nearly the same information you would get if you viewed it with the ps command. In fact, ps uses the proc file system to obtain its @@ -230,7 +230,6 @@ Table 1-2: Contents of the statm files (as of 2.6.30-rc7) Mems_allowed_list Same as previous, but in "list format" voluntary_ctxt_switches number of voluntary context switches nonvoluntary_ctxt_switches number of non voluntary context switches - Stack usage: stack usage high water mark (round up to page size) .............................................................................. Table 1-3: Contents of the statm files (as of 2.6.8-rc3) @@ -1409,3 +1408,11 @@ For more information on mount propagation see: Documentation/filesystems/sharedsubtree.txt + +3.6 /proc/<pid>/comm & /proc/<pid>/task/<tid>/comm +-------------------------------------------------------- +These files provide a method to access a tasks comm value. It also allows for +a task to set its own or one of its thread siblings comm value. The comm value +is limited in size compared to the cmdline value, so writing anything longer +then the kernel's TASK_COMM_LEN (currently 16 chars) will result in a truncated +comm value. diff --git a/Documentation/filesystems/seq_file.txt b/Documentation/filesystems/seq_file.txt index 0d15ebccf5b0..a1e2e0dda907 100644 --- a/Documentation/filesystems/seq_file.txt +++ b/Documentation/filesystems/seq_file.txt @@ -248,9 +248,7 @@ code, that is done in the initialization code in the usual way: { struct proc_dir_entry *entry; - entry = create_proc_entry("sequence", 0, NULL); - if (entry) - entry->proc_fops = &ct_file_ops; + proc_create("sequence", 0, NULL, &ct_file_ops); return 0; } diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt index b245d524d568..931c806642c5 100644 --- a/Documentation/filesystems/sysfs.txt +++ b/Documentation/filesystems/sysfs.txt @@ -91,8 +91,8 @@ struct device_attribute { const char *buf, size_t count); }; -int device_create_file(struct device *, struct device_attribute *); -void device_remove_file(struct device *, struct device_attribute *); +int device_create_file(struct device *, const struct device_attribute *); +void device_remove_file(struct device *, const struct device_attribute *); It also defines this helper for defining device attributes: @@ -316,8 +316,8 @@ DEVICE_ATTR(_name, _mode, _show, _store); Creation/Removal: -int device_create_file(struct device *device, struct device_attribute * attr); -void device_remove_file(struct device * dev, struct device_attribute * attr); +int device_create_file(struct device *dev, const struct device_attribute * attr); +void device_remove_file(struct device *dev, const struct device_attribute * attr); - bus drivers (include/linux/device.h) @@ -358,7 +358,7 @@ DRIVER_ATTR(_name, _mode, _show, _store) Creation/Removal: -int driver_create_file(struct device_driver *, struct driver_attribute *); -void driver_remove_file(struct device_driver *, struct driver_attribute *); +int driver_create_file(struct device_driver *, const struct driver_attribute *); +void driver_remove_file(struct device_driver *, const struct driver_attribute *); |