Commit Graph

374 Commits

Author SHA1 Message Date
Xiang Xiao
9aa835815f fs/timerfd: Reverse truncate and mmap field
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-01-07 14:27:42 +02:00
qinwei1
c137aeec32 fs/vfs: add missed truncate/mmap callback at timerfd file_operation
Signed-off-by: qinwei1 <qinwei1@xiaomi.com>
2023-01-06 13:31:38 +08:00
Xiang Xiao
b0a0ba3ad7 fs: Move mmap callback before truncate in [file|mountpt]_operations
since mmap may exist in block_operations, but truncate may not,
moving mmap beforee truncate could make three struct more compatible

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-01-04 17:43:59 +02:00
Xiang Xiao
779a610ca3 Remove the unnecessary NULL fields in global instance definition of file_operations
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-01-04 00:32:13 +02:00
Jukka Laitinen
f33dc4df3f Change FIOC_MMAP into file operation call
- Add mmap into file_operations and remove it from ioctl definitions.
- Add mm_map structure definitions to support future unmapping
- Modify all drivers to initialize the operations struct accordingly

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
2023-01-02 11:23:20 -03:00
Jukka Laitinen
41e9df2f3e Add ftruncate into file operation calls
- Add truncate into file_operations
- Move truncate to be common for mountpt_operations and file_operations
- Modify all drivers to initialize the operations struct accordingly

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
2023-01-02 11:23:20 -03:00
Jukka Laitinen
36528eed64 Revert "fs/vfs/fs_truncate.c: Use ioctl to truncate on non-mountpoint inode"
This reverts commit dbc163f1b0.
2023-01-02 11:23:20 -03:00
dongjiuzhu1
f85d9a9332 fs/signalfd: using file descriptor to accept signal
Reference here:
https://man7.org/linux/man-pages/man2/signalfd.2.html

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-12-28 23:05:58 +08:00
dongjiuzhu1
d36b7fea45 timerfd: remove timeout work and do notify in isr
1.Optimize notification speed
2.using enter/leave critical to replace spin_lock to avoid race condition

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-12-28 22:45:25 +08:00
dongjiuzhu1
c7eca3d176 timerfd/eventfd: using file_allocate to replace register_driver
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-12-28 22:45:25 +08:00
Ville Juven
2ed51d026c fs/streams: Move the file streams from the group structure into TLS
This is preparation for flushing streams from user space, like it should
be done.

- Move tg_streamlist (group, kernel space) ->
       ta_streamlist (TLS, user space)
- Access stream list via tg_info in kernel
- Access stream list via TLS in user space
- Remove / rename nxsched_get_streams -> lib_getstreams
- Remove system call for nxsched_get_streams
2022-12-22 20:16:11 +08:00
qinwei1
a4f06660d2 fs_epoll: fix some potential issue for list operation
VELAPLATFO-4690

Summary
1. delete item before free it

Signed-off-by: qinwei1 <qinwei1@xiaomi.com>
Change-Id: Ie101a0cdba97caa8c3bbf0830dc0a35750688a41
2022-12-13 21:00:11 +02:00
dongjiuzhu1
b1b2a7cc0b timerfd_create: initial reference count to zero
nx_open in timerfd_create will increase reference count,
Therefore, the reference count starts with a value of 0.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2022-12-01 15:07:09 +08:00
wangbowen6
a0ded9d0d4 fs_epoll: [bug fix] epoll node use-after-free in epoll extend list
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-11-26 11:56:58 +08:00
wangbowen6
2f2176151e fs_epoll: [bug fix] EPOLL_CTL_ADD/MOD consider the teardown list too
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-11-25 21:34:09 +08:00
wangbowen6
25bfd437fe fs_epoll: support extend the epoll dynamicly.
1. epoll_ctl(EPOLL_CTL_ADD) support extend the epoll
   events dynamicly;
2. enhance the epoll performance by moving some poll setup
   and teardown process to the EPOLL_CTL_ADD/DEL/MOD;

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-11-22 21:08:56 +08:00
zhangyuan21
f27065cb9e sched/mqueue: make mqueue and mqueue sysv can disable separately 2022-11-16 20:03:40 +08:00
Xiang Xiao
b72be1ddbf epoll: Call poll_notify before unlock mutex
to avoid the race condition

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-11-11 21:12:59 +01:00
Xiang Xiao
7e8e5c10d1 fs/epoll: Reuse fd returned from epoll for internal signaling
to avoid the usage of nuttx special extension(POLLFILE)

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-11-11 21:12:59 +01:00
Xiang Xiao
faf16fb810 vfs/epoll: Protect epoll_ctl by mutex
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-11-08 22:06:46 +01:00
Xiang Xiao
7231a5f044 vfs/epoll: Replace sem_t with mutex_t for locking usage
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-11-08 22:06:46 +01:00
anjiahao
d7b4e91dda Call nxsem_destroy or nxmutex_destry in the error path
1.Don't check the return value of nxsem_init or nxmutex_init
2.Fix some style issue

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-30 13:56:52 +01:00
Xiang Xiao
604eea453b fs/vfs: Let caller control whether add the reference count of inode in file_allocate
to simplify the caller in some special case

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-28 10:12:08 +02:00
Xiang Xiao
4af98af376 fs/vfs: Rename files_allocate to file_allocate
align with the intention better

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-28 10:12:08 +02:00
Xiang Xiao
fc1efe2c0b fs: Remove the unused nx_fcntl to prefer file_fcntl for kernel
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-27 23:14:25 +02:00
Xiang Xiao
b22cc1e2b8 fs: Remove the unused nx_dup to prefer file_dup for kernel
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-27 23:14:25 +02:00
Xiang Xiao
cf21319d3a fs: Remove the unused nx_poll to prefer file_poll for kernel
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-27 23:14:25 +02:00
Xiang Xiao
aa31648c9f fs: Remove the unused nx_[v]ioctl to prefer file_[v]ioctl for kernel
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-27 23:14:25 +02:00
Xiang Xiao
ab12bea1ae Fix vfs/fs_timerfd.c:73:17: error: duplicate member 'lock'
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-23 12:08:30 +08:00
Miguel Herranz
819ebe7356 libc/stdio: Add stdio file locking functions
Add flockfile(), ftrylockfile() and funlockfile() functions [1].

[1] POSIX.1-2008 / System Interfaces / flockfile
    https://pubs.opengroup.org/onlinepubs/9699919799.2008edition/functions/flockfile.html

Signed-off-by: Miguel Herranz <miguel@midokura.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-22 23:34:45 +08:00
anjiahao
5724c6b2e4 sem:remove sem default protocl
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2022-10-22 14:50:48 +08:00
chao an
205c8934a3 sched/msgq: add support of System V message queue
https://man.openbsd.org/msgget.2

Signed-off-by: chao an <anchao@xiaomi.com>
2022-10-22 12:58:11 +08:00
YAMAMOTO Takashi
4eee9af668 file_vopen: Retry as a directory in case of EISDIR
This allows you to open() a directory without O_DIRECTORY.
2022-10-19 21:20:35 +08:00
YAMAMOTO Takashi
aa67e0a0f4 inode_stat: handle INODE_IS_PSEUDODIR case
If you open() a directory and fstat() it, you come here.
This commit fixes the file type in that case.
2022-10-19 21:20:35 +08:00
anjiahao
d1d46335df Replace nxsem API when used as a lock with nxmutex API
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-17 15:59:46 +09:00
Xiang Xiao
47b47e0bb7 fs/vfs: Remove the redundancy file name comparison in mountptrename
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-16 15:27:08 -03:00
Xiang Xiao
7b19a605a7 fs/vfs: Free subdir before allocate new one in pseudorename
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-16 15:27:08 -03:00
Petro Karashchenko
969a06331f fs/vfs: fix case when file to rename does not exist
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
2022-10-15 04:04:12 +08:00
Xiang Xiao
523da07778 fs/epoll: Notify POLLIN directly(avoid set POLLFILE)
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-04 20:59:59 +02:00
Xiang Xiao
e99c76a313 poll: Don't need monitor POLLERR or POLLHUP explicitly
since spec require the implementation always report POLLERR/POLLHUP:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/poll.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-04 20:59:59 +02:00
wangbowen6
e9ccab2db3 fs/poll: using callback mechanism to implement poll notification
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-10-03 00:00:56 +08:00
Xiang Xiao
bdeaea3742 Remove the unnessary empty line after label
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-09-30 17:54:56 +02:00
wangbowen6
5e46a9908a vfs/fs_poll: not clear POLLIN event if POLLHUP or POLLERR set
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-09-27 08:24:33 +09:00
wangbowen6
344c8be049 poll: add poll_notify() api and call it in all drivers
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-09-26 12:06:32 +08:00
Xiang Xiao
db518bf0df fs: Allocate unique serial number for the root pseduo file system node
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-09-20 16:21:06 +08:00
Xiang Xiao
493152a45f fs/eventfd: Remove the extra space
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-09-20 16:20:17 +09:00
Nathan Hartman
09a186727c fs/vfs/fs_open.c: Improve documentation blocks of functions 2022-09-08 09:01:36 +08:00
Xiang Xiao
9726be616a fs: Run the default action of FIONBIO/FIOCLEX/FIONCLEX in success path
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-09-06 23:16:15 +08:00
Jiuzhu Dong
4dbf4555eb fs/dir: support fchdir and dirfd
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-08-09 23:30:01 +08:00
Jiuzhu Dong
fe17f747a7 fs/directory: move private directory information to filesystem
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-08-09 23:30:01 +08:00