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file: Rename fcheck lookup_fd_rcu

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[ Upstream commit 460b4f812a9d473d4b39d87d37844f9fc30a9eb3 ]

Also remove the confusing comment about checking if a fd exists.  I
could not find one instance in the entire kernel that still matches
the description or the reason for the name fcheck.

The need for better names became apparent in the last round of
discussion of this set of changes[1].

[1] https://lkml.kernel.org/r/CAHk-=wj8BQbgJFLa+J0e=iT-1qpmCRTbPAJ8gd6MJQ=kbRPqyQ@mail.gmail.com
Link: https://lkml.kernel.org/r/20201120231441.29911-10-ebiederm@xmission.com
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric W. Biederman
2020-11-20 17:14:27 -06:00
committed by Greg Kroah-Hartman
parent 23f5564992
commit c4716bb296
4 changed files with 9 additions and 9 deletions
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8
include/linux/fdtable.h
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@@ -105,10 +105,10 @@ static inline struct file *files_lookup_fd_rcu(struct files_struct *files, unsig
return files_lookup_fd_raw(files, fd);
}
/*
* Check whether the specified fd has an open file.
*/
#define fcheck(fd) files_lookup_fd_rcu(current->files, fd)
static inline struct file *lookup_fd_rcu(unsigned int fd)
{
return files_lookup_fd_rcu(current->files, fd);
}
struct task_struct;