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32 Commits

Author SHA1 Message Date
Jiuzhu Dong
4d5a964f29 net: unify socket into file descriptor 
Change-Id: I9bcd21564e6c97d3edbb38aed1748c114160ea36
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
 2021-03-03 19:01:41 -08:00
Xiang Xiao
8d0fd4038b Remove the empty xxx_initialize functions 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I63cb6b37f78e910663724659e11f53e3335d419f
 2021-03-03 08:21:04 +00:00
Xiang Xiao
e49bae1300 fs: Remove fs_dupfd and fs_dupfd2 internal functions 
let's call either nx_dup/nx_dup2 or file_dup/file_dup2
instead just like other fs api: xxx->nx_xxx->file_xxx

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I1aacfb9e25dc7b3fcb0345ff7b269b1953a01e5b
 2021-01-13 16:39:45 +08:00
Xiang Xiao
1e5bfa623a fs: file_dup2 shouldn't hold the file list lock 
the argument passed to file_dup2 doesn't always come from task file list
so it doesn't make sense to hold the file list lock and then it is better
to do the protection in the new function files_dupfd2

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ibf02cea9b0b275e7472f9c04fd66b9242285b957
 2021-01-13 16:39:45 +08:00
Xiang Xiao
86fab49c46 fs: Fix the race condition in file_dup 
NULL inode passed to files_allocate doesn't mark file struct in the
allocated state, so other threads which invovle in file allocation
(e.g. open or dup) may allocate the same file struct again.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I53ff876eae3c7a1e311e7f671686b73a4b4ef891
 2021-01-08 11:01:46 +08:00
Xiang Xiao
66057a4612 fs: Add the relative path support 
all functions which accept the path argument should support the relative path:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/open.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-09-24 03:13:27 -07:00
Xiang Xiao
43f0070582 fs: Simplify the symbol link process in inode_search 
avoid the recursive call by moving the path catenation into _inode_search

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-09-22 16:39:47 +08:00
Xiang Xiao
b76c4672d6 vfs: Create a node as the root of pseudo file system 
to remove the special process for root

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-09-16 11:44:57 -07:00
Xiang Xiao
b598ab43d7 fs: Implement lstat function 
specified here:
https://pubs.opengroup.org/onlinepubs/009695399/functions/lstat.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Iefc23a02d425ff84fa4027aea7da1181b01eced7
 2020-06-30 13:09:58 -06:00
Xiang Xiao
4a3d28a957 fs: Move inode_checkflags from include/nuttx/fs/fs.h to fs/inode/inode.h 
since this function is only used inside fs subsystem

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-05-08 07:20:49 -06:00
Gregory Nutt
a4d6af8343 Check return from nxsem_wait_initialize() 
Resolution of Issue 619 will require multiple steps, this part of the first step in that resolution:  Every call to nxsem_wait_uninterruptible() must handle the return value from nxsem_wait_uninterruptible properly.  This commit is only for those files under fs/inode.  Utility functions under fs/incode were modified so the changes do extend to other fs/ sub-directories as well.
 2020-03-30 01:33:31 +01:00
Xiang Xiao
cde88cabcc Run codespell -w with the latest dictonary again 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-02-23 22:27:46 +01:00
Gregory Nutt
7cf88d7dbd Make sure that labeling is used consistently in all function headers. 2018-02-01 10:00:02 -06:00
Gregory Nutt
a2e74f2583 fs/inode/inode.h: Fix a warning 'inode/inode.h:264:45: error: 'struct stat' declared inside parameter list' by adding a forward reference to struct stat. Noted by David Sidrane. 2017-02-13 17:19:49 -06:00
Gregory Nutt
c5a8e96dbc Add basic fstat() support. Now all that is needed is to modify ALL of the file systems. 2017-02-12 12:48:24 -06:00
Gregory Nutt
47ddfa346d Soft links: Eliminate in-stack allocation of path working buffer needed for traversal fo paths with soft links. 2017-02-05 14:57:38 -06:00
Gregory Nutt
45fd98da88 Add macros support that will eventually allow dynamic allocation of strings need to support soft links. 2017-02-05 14:25:45 -06:00
Gregory Nutt
8f2c7198ed inode_find: Now takes struct inode_desc_s type as input. This was necessary before that structure includes some data storage. It was used within inode_find(), but that means that the life of the data was the life of inode_find(). That data must persist longer. It is now provided by the caller so that the life of the data persists for the entire life of the caller. 2017-02-05 09:51:42 -06:00
Gregory Nutt
990bed903e Soft link: First cut fix for some soft link issues. The fix still has some issues of its own. 2017-02-04 16:35:49 -06:00
Gregory Nutt
4c68324d82 FS: Remove inode_search_nofollow(). That logic is no handled with a new field in the input argument structure. 2017-02-04 12:51:14 -06:00
Gregory Nutt
0c9935f8ac FS: Remove inode_find_nofollow. Instead provide a bool nofollow argument to inode_find. 2017-02-04 11:46:54 -06:00
Gregory Nutt
36704b7d9c FS: Argument is now a structure describing the search. 2017-02-04 11:21:44 -06:00
Gregory Nutt
982cfea490 Remove some unnecessary (and inappropriate) soft link logic 2017-02-03 15:50:41 -06:00
Gregory Nutt
60ba5a5261 Soft links: Fix logic and remove kludge of last commit. Rename inode_dereference() as inode_linktarget() and make global. 2017-02-03 13:22:33 -06:00
Gregory Nutt
35d738d85f Soft links: Fix compile problems on first build with soft links enabled. 2017-02-02 15:24:39 -06:00
Gregory Nutt
bdc002fadc Finish implementation of soft links. 2017-02-02 13:01:21 -06:00
Gregory Nutt
82c890db23 syslog_dev_flush() needs to check if the inode is a mountpoint before calling the flush() method. Noted by David Sidrane. 2016-06-22 05:58:33 -06:00
Gregory Nutt
9008308b64 Remove some block comments before empty code sections 2016-04-11 18:16:04 -06:00
Gregory Nutt
cb9e27c3b0 Standardize naming used for public data and function groupings 2015-10-02 16:30:35 -06:00
Gregory Nutt
8293a5e773 Minor file system clean-up 2015-06-18 10:16:49 -06:00
Gregory Nutt
d2797bf482 Modify FS initialization logic to handle AIO container initialization. 2014-10-06 08:11:37 -06:00
Gregory Nutt
ae90309b36 Move fs/fs.h to fs/inode/inode.h and some to fs/driver/driver.h 2014-09-29 07:14:38 -06:00