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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-04-20 23:08:21 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-03 01:49:28 +0200 |
| commit | 63b6df14134ddd048984c8afadb46e721815bfc6 (patch) | |
| tree | 7fecdc7f3ee6d9780b3fa5328a0acd1bb739b16e /fs/file.c | |
| parent | parallel lookups: actual switch to rwsem (diff) | |
| download | linux-63b6df14134ddd048984c8afadb46e721815bfc6.tar.xz linux-63b6df14134ddd048984c8afadb46e721815bfc6.zip | |
give readdir(2)/getdents(2)/etc. uniform exclusion with lseek()
same as read() on regular files has, and for the same reason.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/file.c')
| -rw-r--r-- | fs/file.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/file.c b/fs/file.c index 1fbc5c0555a9..6b1acdfe59da 100644 --- a/fs/file.c +++ b/fs/file.c @@ -784,6 +784,11 @@ unsigned long __fdget_pos(unsigned int fd) return v; } +void __f_unlock_pos(struct file *f) +{ + mutex_unlock(&f->f_pos_lock); +} + /* * We only lock f_pos if we have threads or if the file might be * shared with another process. In both cases we'll have an elevated |