Add sync_file_range(2) implementation to linux(4); it's a thin wrapper
over the usual fsync(2). This silences some warnings when running "apt-get upgrade". Reviewed by: brooks, emaste MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D22371
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parent
0cde2b3239
commit
cf69fe66d4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=355754
@ -99,7 +99,6 @@ DUMMY(migrate_pages);
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DUMMY(unshare);
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/* Linux 2.6.17: */
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DUMMY(splice);
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DUMMY(sync_file_range);
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DUMMY(tee);
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DUMMY(vmsplice);
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/* Linux 2.6.18: */
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@ -105,7 +105,6 @@ DUMMY(migrate_pages);
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DUMMY(unshare);
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/* Linux 2.6.17: */
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DUMMY(splice);
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DUMMY(sync_file_range);
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DUMMY(tee);
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DUMMY(vmsplice);
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/* Linux 2.6.18: */
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@ -101,7 +101,6 @@ DUMMY(migrate_pages);
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DUMMY(unshare);
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/* Linux 2.6.17: */
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DUMMY(splice);
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DUMMY(sync_file_range);
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DUMMY(tee);
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DUMMY(vmsplice);
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/* Linux 2.6.18: */
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@ -907,6 +907,22 @@ linux_fdatasync(td, uap)
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return (kern_fsync(td, uap->fd, false));
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}
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int
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linux_sync_file_range(td, uap)
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struct thread *td;
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struct linux_sync_file_range_args *uap;
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{
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if (uap->offset < 0 || uap->nbytes < 0 ||
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(uap->flags & ~(LINUX_SYNC_FILE_RANGE_WAIT_BEFORE |
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LINUX_SYNC_FILE_RANGE_WRITE |
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LINUX_SYNC_FILE_RANGE_WAIT_AFTER)) != 0) {
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return (EINVAL);
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}
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return (kern_fsync(td, uap->fd, false));
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}
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int
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linux_pread(struct thread *td, struct linux_pread_args *uap)
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{
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@ -134,4 +134,11 @@
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#define LINUX_RENAME_EXCHANGE 0x00000002
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#define LINUX_RENAME_WHITEOUT 0x00000004
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/*
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* sync_file_range flags
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*/
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#define LINUX_SYNC_FILE_RANGE_WAIT_BEFORE 1
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#define LINUX_SYNC_FILE_RANGE_WRITE 2
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#define LINUX_SYNC_FILE_RANGE_WAIT_AFTER 4
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#endif /* !_LINUX_FILE_H_ */
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@ -101,7 +101,6 @@ DUMMY(migrate_pages);
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DUMMY(unshare);
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/* Linux 2.6.17: */
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DUMMY(splice);
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DUMMY(sync_file_range);
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DUMMY(tee);
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DUMMY(vmsplice);
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/* Linux 2.6.18: */
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