diff options
| author | mjg <mjg@FreeBSD.org> | 2014-03-21 01:34:19 +0000 |
|---|---|---|
| committer | mjg <mjg@FreeBSD.org> | 2014-03-21 01:34:19 +0000 |
| commit | 103a66d7d0553e822a2a6ca43656f23d0065a126 (patch) | |
| tree | de2539cc9a5eac0bee3ceeb6936559872f4b6a8c | |
| parent | 3779db6b3fdd08fc12c9fe47e67a77e8c31e65b7 (diff) | |
| download | FreeBSD-src-103a66d7d0553e822a2a6ca43656f23d0065a126.zip FreeBSD-src-103a66d7d0553e822a2a6ca43656f23d0065a126.tar.gz | |
Take filedesc lock only for reading when allocating new fdtable.
Code populating the table does this already.
MFC after: 1 week
| -rw-r--r-- | sys/kern/kern_descrip.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 2bf7382..0a9e2f9 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -1808,7 +1808,7 @@ fdinit(struct filedesc *fdp) newfdp = malloc(sizeof *newfdp, M_FILEDESC, M_WAITOK | M_ZERO); FILEDESC_LOCK_INIT(&newfdp->fd_fd); if (fdp != NULL) { - FILEDESC_XLOCK(fdp); + FILEDESC_SLOCK(fdp); newfdp->fd_fd.fd_cdir = fdp->fd_cdir; if (newfdp->fd_fd.fd_cdir) VREF(newfdp->fd_fd.fd_cdir); @@ -1818,7 +1818,7 @@ fdinit(struct filedesc *fdp) newfdp->fd_fd.fd_jdir = fdp->fd_jdir; if (newfdp->fd_fd.fd_jdir) VREF(newfdp->fd_fd.fd_jdir); - FILEDESC_XUNLOCK(fdp); + FILEDESC_SUNLOCK(fdp); } /* Create the file descriptor table. */ |
