diff options
Diffstat (limited to 'fs/udf/file.c')
-rw-r--r-- | fs/udf/file.c | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c index 7c7a1b39d56c..97c71ae7c689 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c | |||
@@ -45,12 +45,13 @@ static int udf_adinicb_readpage(struct file *file, struct page *page) | |||
45 | { | 45 | { |
46 | struct inode *inode = page->mapping->host; | 46 | struct inode *inode = page->mapping->host; |
47 | char *kaddr; | 47 | char *kaddr; |
48 | struct udf_inode_info *iinfo = UDF_I(inode); | ||
48 | 49 | ||
49 | BUG_ON(!PageLocked(page)); | 50 | BUG_ON(!PageLocked(page)); |
50 | 51 | ||
51 | kaddr = kmap(page); | 52 | kaddr = kmap(page); |
52 | memset(kaddr, 0, PAGE_CACHE_SIZE); | 53 | memset(kaddr, 0, PAGE_CACHE_SIZE); |
53 | memcpy(kaddr, UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), inode->i_size); | 54 | memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, inode->i_size); |
54 | flush_dcache_page(page); | 55 | flush_dcache_page(page); |
55 | SetPageUptodate(page); | 56 | SetPageUptodate(page); |
56 | kunmap(page); | 57 | kunmap(page); |
@@ -59,15 +60,17 @@ static int udf_adinicb_readpage(struct file *file, struct page *page) | |||
59 | return 0; | 60 | return 0; |
60 | } | 61 | } |
61 | 62 | ||
62 | static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc) | 63 | static int udf_adinicb_writepage(struct page *page, |
64 | struct writeback_control *wbc) | ||
63 | { | 65 | { |
64 | struct inode *inode = page->mapping->host; | 66 | struct inode *inode = page->mapping->host; |
65 | char *kaddr; | 67 | char *kaddr; |
68 | struct udf_inode_info *iinfo = UDF_I(inode); | ||
66 | 69 | ||
67 | BUG_ON(!PageLocked(page)); | 70 | BUG_ON(!PageLocked(page)); |
68 | 71 | ||
69 | kaddr = kmap(page); | 72 | kaddr = kmap(page); |
70 | memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), kaddr, inode->i_size); | 73 | memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr, inode->i_size); |
71 | mark_inode_dirty(inode); | 74 | mark_inode_dirty(inode); |
72 | SetPageUptodate(page); | 75 | SetPageUptodate(page); |
73 | kunmap(page); | 76 | kunmap(page); |
@@ -84,9 +87,10 @@ static int udf_adinicb_write_end(struct file *file, | |||
84 | struct inode *inode = mapping->host; | 87 | struct inode *inode = mapping->host; |
85 | unsigned offset = pos & (PAGE_CACHE_SIZE - 1); | 88 | unsigned offset = pos & (PAGE_CACHE_SIZE - 1); |
86 | char *kaddr; | 89 | char *kaddr; |
90 | struct udf_inode_info *iinfo = UDF_I(inode); | ||
87 | 91 | ||
88 | kaddr = kmap_atomic(page, KM_USER0); | 92 | kaddr = kmap_atomic(page, KM_USER0); |
89 | memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, | 93 | memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset, |
90 | kaddr + offset, copied); | 94 | kaddr + offset, copied); |
91 | kunmap_atomic(kaddr, KM_USER0); | 95 | kunmap_atomic(kaddr, KM_USER0); |
92 | 96 | ||
@@ -109,25 +113,27 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, | |||
109 | struct inode *inode = file->f_path.dentry->d_inode; | 113 | struct inode *inode = file->f_path.dentry->d_inode; |
110 | int err, pos; | 114 | int err, pos; |
111 | size_t count = iocb->ki_left; | 115 | size_t count = iocb->ki_left; |
116 | struct udf_inode_info *iinfo = UDF_I(inode); | ||
112 | 117 | ||
113 | if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { | 118 | if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { |
114 | if (file->f_flags & O_APPEND) | 119 | if (file->f_flags & O_APPEND) |
115 | pos = inode->i_size; | 120 | pos = inode->i_size; |
116 | else | 121 | else |
117 | pos = ppos; | 122 | pos = ppos; |
118 | 123 | ||
119 | if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + | 124 | if (inode->i_sb->s_blocksize < |
125 | (udf_file_entry_alloc_offset(inode) + | ||
120 | pos + count)) { | 126 | pos + count)) { |
121 | udf_expand_file_adinicb(inode, pos + count, &err); | 127 | udf_expand_file_adinicb(inode, pos + count, &err); |
122 | if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { | 128 | if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { |
123 | udf_debug("udf_expand_adinicb: err=%d\n", err); | 129 | udf_debug("udf_expand_adinicb: err=%d\n", err); |
124 | return err; | 130 | return err; |
125 | } | 131 | } |
126 | } else { | 132 | } else { |
127 | if (pos + count > inode->i_size) | 133 | if (pos + count > inode->i_size) |
128 | UDF_I_LENALLOC(inode) = pos + count; | 134 | iinfo->i_lenAlloc = pos + count; |
129 | else | 135 | else |
130 | UDF_I_LENALLOC(inode) = inode->i_size; | 136 | iinfo->i_lenAlloc = inode->i_size; |
131 | } | 137 | } |
132 | } | 138 | } |
133 | 139 | ||
@@ -191,23 +197,28 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, | |||
191 | 197 | ||
192 | switch (cmd) { | 198 | switch (cmd) { |
193 | case UDF_GETVOLIDENT: | 199 | case UDF_GETVOLIDENT: |
194 | return copy_to_user((char __user *)arg, | 200 | if (copy_to_user((char __user *)arg, |
195 | UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0; | 201 | UDF_SB(inode->i_sb)->s_volume_ident, 32)) |
202 | return -EFAULT; | ||
203 | else | ||
204 | return 0; | ||
196 | case UDF_RELOCATE_BLOCKS: | 205 | case UDF_RELOCATE_BLOCKS: |
197 | if (!capable(CAP_SYS_ADMIN)) | 206 | if (!capable(CAP_SYS_ADMIN)) |
198 | return -EACCES; | 207 | return -EACCES; |
199 | if (get_user(old_block, (long __user *)arg)) | 208 | if (get_user(old_block, (long __user *)arg)) |
200 | return -EFAULT; | 209 | return -EFAULT; |
201 | if ((result = udf_relocate_blocks(inode->i_sb, | 210 | result = udf_relocate_blocks(inode->i_sb, |
202 | old_block, &new_block)) == 0) | 211 | old_block, &new_block); |
212 | if (result == 0) | ||
203 | result = put_user(new_block, (long __user *)arg); | 213 | result = put_user(new_block, (long __user *)arg); |
204 | return result; | 214 | return result; |
205 | case UDF_GETEASIZE: | 215 | case UDF_GETEASIZE: |
206 | result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg); | 216 | result = put_user(UDF_I(inode)->i_lenEAttr, (int __user *)arg); |
207 | break; | 217 | break; |
208 | case UDF_GETEABLOCK: | 218 | case UDF_GETEABLOCK: |
209 | result = copy_to_user((char __user *)arg, UDF_I_DATA(inode), | 219 | result = copy_to_user((char __user *)arg, |
210 | UDF_I_LENEATTR(inode)) ? -EFAULT : 0; | 220 | UDF_I(inode)->i_ext.i_data, |
221 | UDF_I(inode)->i_lenEAttr) ? -EFAULT : 0; | ||
211 | break; | 222 | break; |
212 | } | 223 | } |
213 | 224 | ||