diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index d8c21e5a1bc9..7845462064f4 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -502,16 +502,6 @@ void throttle_vm_writeout(gfp_t gfp_mask) long background_thresh; long dirty_thresh; - if ((gfp_mask & (__GFP_FS|__GFP_IO)) != (__GFP_FS|__GFP_IO)) { - /* - * The caller might hold locks which can prevent IO completion - * or progress in the filesystem. So we cannot just sit here - * waiting for IO to complete. - */ - congestion_wait(WRITE, HZ/10); - return; - } - for ( ; ; ) { get_dirty_limits(&background_thresh, &dirty_thresh, NULL, NULL); @@ -525,6 +515,14 @@ void throttle_vm_writeout(gfp_t gfp_mask) global_page_state(NR_WRITEBACK) <= dirty_thresh) break; congestion_wait(WRITE, HZ/10); + + /* + * The caller might hold locks which can prevent IO completion + * or progress in the filesystem. So we cannot just sit here + * waiting for IO to complete. + */ + if ((gfp_mask & (__GFP_FS|__GFP_IO)) != (__GFP_FS|__GFP_IO)) + break; } } |
