aboutsummaryrefslogtreecommitdiffstats
path: root/fs/gfs2
diff options
context:
space:
mode:
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/file.c18
-rw-r--r--fs/gfs2/trans.c4
2 files changed, 10 insertions, 12 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 9aa6af13823c..d1d791ef38de 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -373,11 +373,10 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
373 loff_t size; 373 loff_t size;
374 int ret; 374 int ret;
375 375
376 /* Wait if fs is frozen. This is racy so we check again later on 376 sb_start_pagefault(inode->i_sb);
377 * and retry if the fs has been frozen after the page lock has 377
378 * been acquired 378 /* Update file times before taking page lock */
379 */ 379 file_update_time(vma->vm_file);
380 vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE);
381 380
382 ret = gfs2_rs_alloc(ip); 381 ret = gfs2_rs_alloc(ip);
383 if (ret) 382 if (ret)
@@ -462,14 +461,9 @@ out:
462 gfs2_holder_uninit(&gh); 461 gfs2_holder_uninit(&gh);
463 if (ret == 0) { 462 if (ret == 0) {
464 set_page_dirty(page); 463 set_page_dirty(page);
465 /* This check must be post dropping of transaction lock */ 464 wait_on_page_writeback(page);
466 if (inode->i_sb->s_frozen == SB_UNFROZEN) {
467 wait_on_page_writeback(page);
468 } else {
469 ret = -EAGAIN;
470 unlock_page(page);
471 }
472 } 465 }
466 sb_end_pagefault(inode->i_sb);
473 return block_page_mkwrite_return(ret); 467 return block_page_mkwrite_return(ret);
474} 468}
475 469
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index ad3e2fb763d7..adbd27875ef9 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -50,6 +50,7 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
50 if (revokes) 50 if (revokes)
51 tr->tr_reserved += gfs2_struct2blk(sdp, revokes, 51 tr->tr_reserved += gfs2_struct2blk(sdp, revokes,
52 sizeof(u64)); 52 sizeof(u64));
53 sb_start_intwrite(sdp->sd_vfs);
53 gfs2_holder_init(sdp->sd_trans_gl, LM_ST_SHARED, 0, &tr->tr_t_gh); 54 gfs2_holder_init(sdp->sd_trans_gl, LM_ST_SHARED, 0, &tr->tr_t_gh);
54 55
55 error = gfs2_glock_nq(&tr->tr_t_gh); 56 error = gfs2_glock_nq(&tr->tr_t_gh);
@@ -68,6 +69,7 @@ fail_gunlock:
68 gfs2_glock_dq(&tr->tr_t_gh); 69 gfs2_glock_dq(&tr->tr_t_gh);
69 70
70fail_holder_uninit: 71fail_holder_uninit:
72 sb_end_intwrite(sdp->sd_vfs);
71 gfs2_holder_uninit(&tr->tr_t_gh); 73 gfs2_holder_uninit(&tr->tr_t_gh);
72 kfree(tr); 74 kfree(tr);
73 75
@@ -116,6 +118,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
116 gfs2_holder_uninit(&tr->tr_t_gh); 118 gfs2_holder_uninit(&tr->tr_t_gh);
117 kfree(tr); 119 kfree(tr);
118 } 120 }
121 sb_end_intwrite(sdp->sd_vfs);
119 return; 122 return;
120 } 123 }
121 124
@@ -136,6 +139,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
136 139
137 if (sdp->sd_vfs->s_flags & MS_SYNCHRONOUS) 140 if (sdp->sd_vfs->s_flags & MS_SYNCHRONOUS)
138 gfs2_log_flush(sdp, NULL); 141 gfs2_log_flush(sdp, NULL);
142 sb_end_intwrite(sdp->sd_vfs);
139} 143}
140 144
141/** 145/**