48 Commits

Author SHA1 Message Date
Azat Khuzhin
1a11834f73 Add shell script to do some simple operations with simplefs
- create fs
- create files in it
- create dirs in it
- read files in it
- write files in it
2013-09-17 23:07:13 +04:00
Azat Khuzhin
3cae84d822 Drop explicit cast sb_bread() return value to buffer_head
Since sb_bread() already have such a return value.
2013-09-16 02:31:13 +04:00
Azat Khuzhin
9aee1ce302 Release bh in simplefs_fill_super() 2013-09-16 02:28:46 +04:00
Azat Khuzhin
90ca0e557c Add FS_REQUIRES_DEV to fs_flags 2013-09-16 02:13:52 +04:00
Azat Khuzhin
23d554cda7 Use kill_block_super() in simplefs_kill_superblock() 2013-09-16 02:12:45 +04:00
Azat Khuzhin
8382ab7e81 simple.c: drop trailing whitespace 2013-09-16 02:10:49 +04:00
Azat Khuzhin
6d606a796c simplefs_create_fs_object: fix memory leaking of temporary record 2013-09-14 13:48:15 +04:00
Azat Khuzhin
a315571b05 Use d_alloc_root() instead of d_make_root() in linux kernel < 3.3
d_alloc_root() is gone in 32991ab305ace7017c62f8eecbe5eb36dc32e13b.

Link: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32991ab305ace7017c62f8eecbe5eb36dc32e13b
2013-09-10 23:45:45 +04:00
Azat Khuzhin
18df3131a2 Don't change filp->f_pos in fops->iterate. (linux kernel >= 3.11)
iterate_dir() already change filp->f_pos (using ctx->f_pos).
Thanks to Ivan.

Discussion: 3f472cec01 (commitcomment-4057234)
2013-09-10 22:21:59 +04:00
Sankar சங்கர்
83cf8c8906 Update README 2013-08-15 14:51:20 +05:30
Sankar சங்கர்
2be71baea4 Merge pull request #2 from azat/fix-includes
Use "" instead of <> to include files from simplefs
2013-08-15 02:15:47 -07:00
Sankar சங்கர்
3f472cec01 Merge pull request #1 from azat/readdir-to-iterate
Implement file_operations.iterate instead of deprecated readdir
2013-08-15 02:14:53 -07:00
Azat Khuzhin
b42b87a9bc Implement file_operations.iterate instead of deprecated readdir
In newer version of kernel, since 3.11, readdir was dropped and the
replacment is iterate.
2013-08-15 01:08:56 +04:00
Azat Khuzhin
000b97517f Use "" instead of <> to include files from simplefs 2013-08-15 00:58:44 +04:00
Sankar சங்கர்
0d484e8e3b Update README for the 1.0 release 1.0 2013-08-06 21:15:01 +05:30
Sankar சங்கர்
46c5efbd1e Update README with test instructions covering all supported filesystem operations 2013-08-05 22:47:32 +05:30
Sankar சங்கர்
7e6b073449 Update parent directory inode children count on new file/subdir creation. 2013-08-05 22:46:19 +05:30
Sankar சங்கர்
bcd9210b10 Update CREDITS 2013-07-28 22:48:11 +05:30
Sankar சங்கர்
39b8ce10aa Update README with TODO and test instructions 2013-07-28 22:44:10 +05:30
Sankar சங்கர்
4032ad3c09 Update README with architecture notes 2013-07-28 22:37:37 +05:30
Sankar சங்கர்
59ebefe597 Added a LICENSE file explicitly 2013-07-28 22:37:15 +05:30
Sankar சங்கர்
30a0ffafe4 Update README with build and testing instructions 2013-07-28 21:32:06 +05:30
Sankar சங்கர்
a68d101c93 basic write support 2013-07-28 21:26:46 +05:30
Sankar சங்கர்
22f33bcd32 mkidr support for simplefs 2013-07-27 18:45:38 +05:30
Sankar சங்கர்
6c591e9eb3 create file support 2013-07-27 01:02:11 +05:30
Sankar சங்கர்
356bceb273 read support for existing files 2013-07-24 17:29:50 +05:30
Sankar சங்கர்
a96e3142dd Code comments 2013-04-23 14:42:36 +05:30
Sankar சங்கர்
3ad58de506 Lindent sources 2013-04-23 14:29:30 +05:30
Sankar சங்கர்
b5aa56df68 readdir and lookup support so ls works fine without errors 2013-04-23 14:27:02 +05:30
Sankar சங்கர்
233991006f Update README with the latest build/test/debug instructions 2013-04-22 23:58:35 +05:30
Sankar சங்கர்
f5cf481557 mkfs creates a welcome file. readdir(ls) tries to list this file 2013-04-22 23:53:59 +05:30
Sankar சங்கர்
fec3cb7f9b Added a convenince inline function for generic inode to simplefs inode conversion 2013-04-22 21:16:25 +05:30
Sankar சங்கர்
c8275e0bf6 Start using the convenience inline functions 2013-04-22 21:12:52 +05:30
Sankar சங்கர்
ec223623dc Create and retrieve the rootdir inode from the inode store instead of the super block 2013-04-22 21:10:21 +05:30
Sankar சங்கர்
f2ae6c1536 Code comments 2013-04-22 17:02:29 +05:30
Sankar சங்கர்
e0e7618c8e Load inode of the root dir from disk. Support readdir (ls) on root directory. 2013-04-22 16:45:25 +05:30
Sankar சங்கர்
5201fe0520 Use fixed sized POSIX datatypes instead of platform dependent types 2013-04-19 15:42:34 +05:30
Sankar சங்கர்
e5b2694335 Add the mkfs binary to the gitignore 2013-04-12 12:56:28 +05:30
Sankar சங்கர்
3198c6614e Load superblock from disk for a simplefs formatted filesystem 2013-04-12 00:16:18 +05:30
Sankar சங்கர்
a3d7c0337e Simplify build instructions 2013-03-30 16:08:59 +05:30
Sankar சங்கர்
5b5062b46e mkfs-simplefs: An utility to create simplefs on a device. 2013-03-30 00:13:38 +05:30
Sankar சங்கர்
f050b4f8e7 Patched to support 'cd' to the mountpoint and do an 'ls' there 2013-03-17 14:22:56 +05:30
Sankar சங்கர்
0e2ed5c9aa Ignore image and mount file paths, which are used for debugging 2013-03-16 14:48:24 +05:30
Sankar சங்கர்
24df8c8c44 Code for: [Un]Register filesystem, [un]mount simplefs, Superblock placeholder 2013-03-16 14:47:45 +05:30
Sankar சங்கர்
1b67698838 Updated the README with license, build instruction 2013-03-10 20:30:29 +05:30
Sankar சங்கர்
cd69770f7d Standard .gitignore file for kernel development 2013-03-10 20:27:31 +05:30
Sankar சங்கர்
9cbdc4cc9f Starting with a hello world kernel module 2013-03-10 20:25:26 +05:30
Sankar சங்கர்
6924003b81 A simple filesystem to understand things 2013-03-10 20:24:46 +05:30