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locks: skip 'lease correction' for non-regular files

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Leases can be set only on regular files. Thus, as optimization we can
skip attempts to find associated leases in 'correct_file_leases_type'
for other fd types.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Pavel Begunkov 2017-11-21 06:00:33 +03:00 • committed by Andrei Vagin
parent 8835e6973e
commit 2d7abe53fc
1 changed files with 7 additions and 2 deletions
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9
criu/files.c
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@ -477,8 +477,13 @@ static int dump_one_file(struct pid *pid, int fd, int lfd, struct fd_opts *opts,
if (note_file_lock(pid, fd, lfd, &p))
return -1;
if (correct_file_leases_type(pid, fd, lfd))
return -1;
/* Lease can be set only on regular file */
if (S_ISREG(p.stat.st_mode)) {
int ret = correct_file_leases_type(pid, fd, lfd);
if (ret < 0)
return ret;
}
p.fd_ctl = ctl; /* Some dump_opts require this to talk to parasite */