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378 Commits

Author SHA1 Message Date
Xiang Xiao 0a95c7721b vfs/poll: Remove POLLFILE and POLLSOCK NuttX specific extension 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-01-17 14:02:59 +08:00
Xiang Xiao b1899ffbfd fs: Support O_NOFOLLOW flag 
https://pubs.opengroup.org/onlinepubs/9699919799.2013edition/functions/open.html:
O_NOFOLLOW
If path names a symbolic link, fail and set errno to [ELOOP].

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-01-17 12:02:48 +08:00
Ville Juven 416e83d57e fs/poll: add missing FAR qualifier to poll() 
Follow-up to #8072
 2023-01-11 21:12:17 +08:00
Ville Juven f730cf8ad8 fs/poll: Fix poll_notify for CONFIG_BUILD_KERNEL 
With flat addressing the user pollfd list is given directly to the
drivers that perform the notification. This is fine when the addressing
is flat, as there is no ambiguity on who gets notified and the fds memory
is always mapped.

For kernel mode with MMU this does not work. The notification must be done
via a temporary buffer allocated from kernel memory.

Thus, create a copy of the user fds and pass the copy to the drivers.
Afterwards copy the output events back to the user.
 2023-01-11 01:53:13 +08:00
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