diff options
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r-- | Documentation/filesystems/nfs/pnfs.txt | 13 | ||||
-rw-r--r-- | Documentation/filesystems/proc.txt | 2 | ||||
-rw-r--r-- | Documentation/filesystems/seq_file.txt | 12 |
3 files changed, 14 insertions, 13 deletions
diff --git a/Documentation/filesystems/nfs/pnfs.txt b/Documentation/filesystems/nfs/pnfs.txt index adc81a35fe2d..44a9f2493a88 100644 --- a/Documentation/filesystems/nfs/pnfs.txt +++ b/Documentation/filesystems/nfs/pnfs.txt | |||
@@ -57,15 +57,16 @@ bit is set, preventing any new lsegs from being added. | |||
57 | layout drivers | 57 | layout drivers |
58 | -------------- | 58 | -------------- |
59 | 59 | ||
60 | PNFS utilizes what is called layout drivers. The STD defines 3 basic | 60 | PNFS utilizes what is called layout drivers. The STD defines 4 basic |
61 | layout types: "files" "objects" and "blocks". For each of these types | 61 | layout types: "files", "objects", "blocks", and "flexfiles". For each |
62 | there is a layout-driver with a common function-vectors table which | 62 | of these types there is a layout-driver with a common function-vectors |
63 | are called by the nfs-client pnfs-core to implement the different layout | 63 | table which are called by the nfs-client pnfs-core to implement the |
64 | types. | 64 | different layout types. |
65 | 65 | ||
66 | Files-layout-driver code is in: fs/nfs/nfs4filelayout.c && nfs4filelayoutdev.c | 66 | Files-layout-driver code is in: fs/nfs/filelayout/.. directory |
67 | Objects-layout-deriver code is in: fs/nfs/objlayout/.. directory | 67 | Objects-layout-deriver code is in: fs/nfs/objlayout/.. directory |
68 | Blocks-layout-deriver code is in: fs/nfs/blocklayout/.. directory | 68 | Blocks-layout-deriver code is in: fs/nfs/blocklayout/.. directory |
69 | Flexfiles-layout-driver code is in: fs/nfs/flexfilelayout/.. directory | ||
69 | 70 | ||
70 | objects-layout setup | 71 | objects-layout setup |
71 | -------------------- | 72 | -------------------- |
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 6d59ffe791ad..cf8fc2f0b34b 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt | |||
@@ -28,7 +28,7 @@ Table of Contents | |||
28 | 1.6 Parallel port info in /proc/parport | 28 | 1.6 Parallel port info in /proc/parport |
29 | 1.7 TTY info in /proc/tty | 29 | 1.7 TTY info in /proc/tty |
30 | 1.8 Miscellaneous kernel statistics in /proc/stat | 30 | 1.8 Miscellaneous kernel statistics in /proc/stat |
31 | 1.9 Ext4 file system parameters | 31 | 1.9 Ext4 file system parameters |
32 | 32 | ||
33 | 2 Modifying System Parameters | 33 | 2 Modifying System Parameters |
34 | 34 | ||
diff --git a/Documentation/filesystems/seq_file.txt b/Documentation/filesystems/seq_file.txt index b797ed38de46..9de4303201e1 100644 --- a/Documentation/filesystems/seq_file.txt +++ b/Documentation/filesystems/seq_file.txt | |||
@@ -194,16 +194,16 @@ which is in the string esc will be represented in octal form in the output. | |||
194 | 194 | ||
195 | There are also a pair of functions for printing filenames: | 195 | There are also a pair of functions for printing filenames: |
196 | 196 | ||
197 | int seq_path(struct seq_file *m, struct path *path, char *esc); | 197 | int seq_path(struct seq_file *m, const struct path *path, |
198 | int seq_path_root(struct seq_file *m, struct path *path, | 198 | const char *esc); |
199 | struct path *root, char *esc) | 199 | int seq_path_root(struct seq_file *m, const struct path *path, |
200 | const struct path *root, const char *esc) | ||
200 | 201 | ||
201 | Here, path indicates the file of interest, and esc is a set of characters | 202 | Here, path indicates the file of interest, and esc is a set of characters |
202 | which should be escaped in the output. A call to seq_path() will output | 203 | which should be escaped in the output. A call to seq_path() will output |
203 | the path relative to the current process's filesystem root. If a different | 204 | the path relative to the current process's filesystem root. If a different |
204 | root is desired, it can be used with seq_path_root(). Note that, if it | 205 | root is desired, it can be used with seq_path_root(). If it turns out that |
205 | turns out that path cannot be reached from root, the value of root will be | 206 | path cannot be reached from root, seq_path_root() returns SEQ_SKIP. |
206 | changed in seq_file_root() to a root which *does* work. | ||
207 | 207 | ||
208 | A function producing complicated output may want to check | 208 | A function producing complicated output may want to check |
209 | bool seq_has_overflowed(struct seq_file *m); | 209 | bool seq_has_overflowed(struct seq_file *m); |