diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index 501fa52d8d3a1974285b1d8c1d0e9e73444f9f37..c59ee28a35f4cbd7aa665250ece1c6f4922ab7f2 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -2944,7 +2944,7 @@ static int cryptocop_ioctl_process(struct inode *inode, struct file *filp, unsig int spdl_err; /* Mark output pages dirty. */ spdl_err = set_page_dirty_lock(outpages[i]); - DEBUG(if (spdl_err)printk("cryptocop_ioctl_process: set_page_dirty_lock returned %d\n", spdl_err)); + DEBUG(if (spdl_err < 0)printk("cryptocop_ioctl_process: set_page_dirty_lock returned %d\n", spdl_err)); } for (i = 0; i < nooutpages; i++){ put_page(outpages[i]); diff --git a/drivers/block/rd.c b/drivers/block/rd.c index 1c54f46d3f701bff756cfcd385a5eac38ac65a8c..940bfd7951e5c1c582a672447b65dd28ff1367c7 100644 --- a/drivers/block/rd.c +++ b/drivers/block/rd.c @@ -186,7 +186,8 @@ static int ramdisk_writepages(struct address_space *mapping, */ static int ramdisk_set_page_dirty(struct page *page) { - SetPageDirty(page); + if (!TestSetPageDirty(page)) + return 1; return 0; } diff --git a/fs/buffer.c b/fs/buffer.c index 11ca6eb46a336f6d013c5a999d92f740a4e95fd7..24262ea8cc5097d16744ef81ce5f46c72e0cfdaa 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -865,8 +865,8 @@ int __set_page_dirty_buffers(struct page *page) } write_unlock_irq(&mapping->tree_lock); __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + return 1; } - return 0; } EXPORT_SYMBOL(__set_page_dirty_buffers); diff --git a/include/linux/fs.h b/include/linux/fs.h index 0ad70c1e5e5573cc27e9dbd86bed77eca7aeecc9..092cfaee0cd285aa0dc9b9f90096dd05020db723 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -350,7 +350,7 @@ struct address_space_operations { /* Write back some dirty pages from this mapping. */ int (*writepages)(struct address_space *, struct writeback_control *); - /* Set a page dirty */ + /* Set a page dirty. Return true if this dirtied it */ int (*set_page_dirty)(struct page *page); int (*readpages)(struct file *filp, struct address_space *mapping, diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c67ddc464721668f21d46477ec925eb30c437855..893d7677579ecfe3c7f420e77eeb81ae9aae7d49 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -628,8 +628,6 @@ EXPORT_SYMBOL(write_one_page); */ int __set_page_dirty_nobuffers(struct page *page) { - int ret = 0; - if (!TestSetPageDirty(page)) { struct address_space *mapping = page_mapping(page); struct address_space *mapping2; @@ -651,8 +649,9 @@ int __set_page_dirty_nobuffers(struct page *page) I_DIRTY_PAGES); } } + return 1; } - return ret; + return 0; } EXPORT_SYMBOL(__set_page_dirty_nobuffers); @@ -682,8 +681,10 @@ int fastcall set_page_dirty(struct page *page) return (*spd)(page); return __set_page_dirty_buffers(page); } - if (!PageDirty(page)) - SetPageDirty(page); + if (!PageDirty(page)) { + if (!TestSetPageDirty(page)) + return 1; + } return 0; } EXPORT_SYMBOL(set_page_dirty);