diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/llite_mmap.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_mmap.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index 88ef1cac9e0f..66ee5db5fce8 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -15,11 +15,7 @@ * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. + * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ @@ -200,18 +196,11 @@ static int ll_page_mkwrite0(struct vm_area_struct *vma, struct page *vmpage, set = cfs_block_sigsinv(sigmask(SIGKILL) | sigmask(SIGTERM)); - /* we grab lli_trunc_sem to exclude truncate case. - * Otherwise, we could add dirty pages into osc cache - * while truncate is on-going. - */ inode = vvp_object_inode(io->ci_obj); lli = ll_i2info(inode); - down_read(&lli->lli_trunc_sem); result = cl_io_loop(env, io); - up_read(&lli->lli_trunc_sem); - cfs_restore_sigs(set); if (result == 0) { @@ -315,8 +304,13 @@ static int ll_fault0(struct vm_area_struct *vma, struct vm_fault *vmf) vio->u.fault.ft_flags = 0; vio->u.fault.ft_flags_valid = false; + /* May call ll_readpage() */ + ll_cl_add(vma->vm_file, env, io); + result = cl_io_loop(env, io); + ll_cl_remove(vma->vm_file, env); + /* ft_flags are only valid if we reached * the call to filemap_fault */ |