diff options
| author | Dean Deng <deandeng@google.com> | 2020-05-29 12:27:15 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-05-29 12:28:49 -0700 |
| commit | ccf69bdd7e05a4e5f404fbef89a7f49f218645e2 (patch) | |
| tree | a3ceba80d016b650cea25791c5fd9fbe36a702b9 /pkg/sentry/syscalls | |
| parent | 0baba92ad9fc3c92347cada47364514a85603462 (diff) | |
Implement IN_EXCL_UNLINK inotify option in vfs2.
Limited to tmpfs. Inotify support in other filesystem implementations to
follow.
Updates #1479
PiperOrigin-RevId: 313828648
Diffstat (limited to 'pkg/sentry/syscalls')
| -rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/read_write.go | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/pkg/sentry/syscalls/linux/vfs2/read_write.go b/pkg/sentry/syscalls/linux/vfs2/read_write.go index 92b5631a3..7f9debd4a 100644 --- a/pkg/sentry/syscalls/linux/vfs2/read_write.go +++ b/pkg/sentry/syscalls/linux/vfs2/read_write.go @@ -94,7 +94,7 @@ func read(t *kernel.Task, file *vfs.FileDescription, dst usermem.IOSequence, opt n, err := file.Read(t, dst, opts) if err != syserror.ErrWouldBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return n, err } @@ -102,7 +102,7 @@ func read(t *kernel.Task, file *vfs.FileDescription, dst usermem.IOSequence, opt allowBlock, deadline, hasDeadline := blockPolicy(t, file) if !allowBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return n, err } @@ -135,7 +135,7 @@ func read(t *kernel.Task, file *vfs.FileDescription, dst usermem.IOSequence, opt file.EventUnregister(&w) if total > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return total, err } @@ -258,7 +258,7 @@ func pread(t *kernel.Task, file *vfs.FileDescription, dst usermem.IOSequence, of n, err := file.PRead(t, dst, offset, opts) if err != syserror.ErrWouldBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return n, err } @@ -266,7 +266,7 @@ func pread(t *kernel.Task, file *vfs.FileDescription, dst usermem.IOSequence, of allowBlock, deadline, hasDeadline := blockPolicy(t, file) if !allowBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return n, err } @@ -299,7 +299,7 @@ func pread(t *kernel.Task, file *vfs.FileDescription, dst usermem.IOSequence, of file.EventUnregister(&w) if total > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return total, err } @@ -364,7 +364,7 @@ func write(t *kernel.Task, file *vfs.FileDescription, src usermem.IOSequence, op n, err := file.Write(t, src, opts) if err != syserror.ErrWouldBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0) + file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0, vfs.PathEvent) } return n, err } @@ -372,7 +372,7 @@ func write(t *kernel.Task, file *vfs.FileDescription, src usermem.IOSequence, op allowBlock, deadline, hasDeadline := blockPolicy(t, file) if !allowBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0) + file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0, vfs.PathEvent) } return n, err } @@ -405,7 +405,7 @@ func write(t *kernel.Task, file *vfs.FileDescription, src usermem.IOSequence, op file.EventUnregister(&w) if total > 0 { - file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0) + file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0, vfs.PathEvent) } return total, err } @@ -528,7 +528,7 @@ func pwrite(t *kernel.Task, file *vfs.FileDescription, src usermem.IOSequence, o n, err := file.PWrite(t, src, offset, opts) if err != syserror.ErrWouldBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0) + file.Dentry().InotifyWithParent(linux.IN_MODIFY, 0, vfs.PathEvent) } return n, err } @@ -536,7 +536,7 @@ func pwrite(t *kernel.Task, file *vfs.FileDescription, src usermem.IOSequence, o allowBlock, deadline, hasDeadline := blockPolicy(t, file) if !allowBlock { if n > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return n, err } @@ -569,7 +569,7 @@ func pwrite(t *kernel.Task, file *vfs.FileDescription, src usermem.IOSequence, o file.EventUnregister(&w) if total > 0 { - file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0) + file.Dentry().InotifyWithParent(linux.IN_ACCESS, 0, vfs.PathEvent) } return total, err } |