diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/file.c | 13 | ||||
-rw-r--r-- | fs/nfs/write.c | 4 |
2 files changed, 13 insertions, 4 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 36a5e74f51b4..f036153d9f50 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c | |||
@@ -27,6 +27,7 @@ | |||
27 | #include <linux/pagemap.h> | 27 | #include <linux/pagemap.h> |
28 | #include <linux/aio.h> | 28 | #include <linux/aio.h> |
29 | #include <linux/gfp.h> | 29 | #include <linux/gfp.h> |
30 | #include <linux/swap.h> | ||
30 | 31 | ||
31 | #include <asm/uaccess.h> | 32 | #include <asm/uaccess.h> |
32 | #include <asm/system.h> | 33 | #include <asm/system.h> |
@@ -493,11 +494,19 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset) | |||
493 | */ | 494 | */ |
494 | static int nfs_release_page(struct page *page, gfp_t gfp) | 495 | static int nfs_release_page(struct page *page, gfp_t gfp) |
495 | { | 496 | { |
497 | struct address_space *mapping = page->mapping; | ||
498 | |||
496 | dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page); | 499 | dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page); |
497 | 500 | ||
498 | /* Only do I/O if gfp is a superset of GFP_KERNEL */ | 501 | /* Only do I/O if gfp is a superset of GFP_KERNEL */ |
499 | if ((gfp & GFP_KERNEL) == GFP_KERNEL) | 502 | if (mapping && (gfp & GFP_KERNEL) == GFP_KERNEL) { |
500 | nfs_wb_page(page->mapping->host, page); | 503 | int how = FLUSH_SYNC; |
504 | |||
505 | /* Don't let kswapd deadlock waiting for OOM RPC calls */ | ||
506 | if (current_is_kswapd()) | ||
507 | how = 0; | ||
508 | nfs_commit_inode(mapping->host, how); | ||
509 | } | ||
501 | /* If PagePrivate() is set, then the page is not freeable */ | 510 | /* If PagePrivate() is set, then the page is not freeable */ |
502 | if (PagePrivate(page)) | 511 | if (PagePrivate(page)) |
503 | return 0; | 512 | return 0; |
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 91679e2631ee..0a6c65a1f9d7 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c | |||
@@ -1379,7 +1379,7 @@ static const struct rpc_call_ops nfs_commit_ops = { | |||
1379 | .rpc_release = nfs_commit_release, | 1379 | .rpc_release = nfs_commit_release, |
1380 | }; | 1380 | }; |
1381 | 1381 | ||
1382 | static int nfs_commit_inode(struct inode *inode, int how) | 1382 | int nfs_commit_inode(struct inode *inode, int how) |
1383 | { | 1383 | { |
1384 | LIST_HEAD(head); | 1384 | LIST_HEAD(head); |
1385 | int may_wait = how & FLUSH_SYNC; | 1385 | int may_wait = how & FLUSH_SYNC; |
@@ -1443,7 +1443,7 @@ out_mark_dirty: | |||
1443 | return ret; | 1443 | return ret; |
1444 | } | 1444 | } |
1445 | #else | 1445 | #else |
1446 | static int nfs_commit_inode(struct inode *inode, int how) | 1446 | int nfs_commit_inode(struct inode *inode, int how) |
1447 | { | 1447 | { |
1448 | return 0; | 1448 | return 0; |
1449 | } | 1449 | } |