diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-16 23:42:46 -0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-16 23:42:46 -0400 |
commit | 2bcb132c693566bcb8208cc7ce66b72a4f852ecf (patch) | |
tree | 6fc4f05ce18140d86aa78a10380a610734aeaef9 /fs/udf/file.c | |
parent | 67e6da702753dac8f0540209dded80a0c4e60d81 (diff) | |
parent | 5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff) |
Merge 3.6-rc6 into usb-next
This resolves the merge problems with:
drivers/usb/dwc3/gadget.c
drivers/usb/musb/tusb6010.c
that had been seen in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/udf/file.c')
-rw-r--r-- | fs/udf/file.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c index 7f3f7ba3df6e..d1c6093fd3d3 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c | |||
@@ -39,20 +39,24 @@ | |||
39 | #include "udf_i.h" | 39 | #include "udf_i.h" |
40 | #include "udf_sb.h" | 40 | #include "udf_sb.h" |
41 | 41 | ||
42 | static int udf_adinicb_readpage(struct file *file, struct page *page) | 42 | static void __udf_adinicb_readpage(struct page *page) |
43 | { | 43 | { |
44 | struct inode *inode = page->mapping->host; | 44 | struct inode *inode = page->mapping->host; |
45 | char *kaddr; | 45 | char *kaddr; |
46 | struct udf_inode_info *iinfo = UDF_I(inode); | 46 | struct udf_inode_info *iinfo = UDF_I(inode); |
47 | 47 | ||
48 | BUG_ON(!PageLocked(page)); | ||
49 | |||
50 | kaddr = kmap(page); | 48 | kaddr = kmap(page); |
51 | memset(kaddr, 0, PAGE_CACHE_SIZE); | ||
52 | memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, inode->i_size); | 49 | memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, inode->i_size); |
50 | memset(kaddr + inode->i_size, 0, PAGE_CACHE_SIZE - inode->i_size); | ||
53 | flush_dcache_page(page); | 51 | flush_dcache_page(page); |
54 | SetPageUptodate(page); | 52 | SetPageUptodate(page); |
55 | kunmap(page); | 53 | kunmap(page); |
54 | } | ||
55 | |||
56 | static int udf_adinicb_readpage(struct file *file, struct page *page) | ||
57 | { | ||
58 | BUG_ON(!PageLocked(page)); | ||
59 | __udf_adinicb_readpage(page); | ||
56 | unlock_page(page); | 60 | unlock_page(page); |
57 | 61 | ||
58 | return 0; | 62 | return 0; |
@@ -77,6 +81,25 @@ static int udf_adinicb_writepage(struct page *page, | |||
77 | return 0; | 81 | return 0; |
78 | } | 82 | } |
79 | 83 | ||
84 | static int udf_adinicb_write_begin(struct file *file, | ||
85 | struct address_space *mapping, loff_t pos, | ||
86 | unsigned len, unsigned flags, struct page **pagep, | ||
87 | void **fsdata) | ||
88 | { | ||
89 | struct page *page; | ||
90 | |||
91 | if (WARN_ON_ONCE(pos >= PAGE_CACHE_SIZE)) | ||
92 | return -EIO; | ||
93 | page = grab_cache_page_write_begin(mapping, 0, flags); | ||
94 | if (!page) | ||
95 | return -ENOMEM; | ||
96 | *pagep = page; | ||
97 | |||
98 | if (!PageUptodate(page) && len != PAGE_CACHE_SIZE) | ||
99 | __udf_adinicb_readpage(page); | ||
100 | return 0; | ||
101 | } | ||
102 | |||
80 | static int udf_adinicb_write_end(struct file *file, | 103 | static int udf_adinicb_write_end(struct file *file, |
81 | struct address_space *mapping, | 104 | struct address_space *mapping, |
82 | loff_t pos, unsigned len, unsigned copied, | 105 | loff_t pos, unsigned len, unsigned copied, |
@@ -98,8 +121,8 @@ static int udf_adinicb_write_end(struct file *file, | |||
98 | const struct address_space_operations udf_adinicb_aops = { | 121 | const struct address_space_operations udf_adinicb_aops = { |
99 | .readpage = udf_adinicb_readpage, | 122 | .readpage = udf_adinicb_readpage, |
100 | .writepage = udf_adinicb_writepage, | 123 | .writepage = udf_adinicb_writepage, |
101 | .write_begin = simple_write_begin, | 124 | .write_begin = udf_adinicb_write_begin, |
102 | .write_end = udf_adinicb_write_end, | 125 | .write_end = udf_adinicb_write_end, |
103 | }; | 126 | }; |
104 | 127 | ||
105 | static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, | 128 | static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, |