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document ->atomic_open() changes

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Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2018-07-09 19:20:08 -04:00
parent 64e1ac4d46
commit 6c9b1de172
3 changed files with 19 additions and 9 deletions
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8
Documentation/filesystems/porting
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@@ -602,3 +602,11 @@ in your dentry operations instead.
dentry separately, and it now has request_mask and query_flags arguments
to specify the fields and sync type requested by statx. Filesystems not
supporting any statx-specific features may ignore the new arguments.
--
[mandatory]
->atomic_open() calling conventions have changed. Gone is int *opened,
along with FILE_OPENED/FILE_CREATED. In place of those we have
FMODE_OPENED/FMODE_CREATED, set in file->f_mode. Additionally, return
value for 'called finish_no_open(), open it yourself' case has become
0, not 1. Since finish_no_open() itself is returning 0 now, that part
does not need any changes in ->atomic_open() instances.