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-rw-r--r--fs/fat/file.c37
-rw-r--r--fs/fat/inode.c26
2 files changed, 24 insertions, 39 deletions
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 62ffa9139400..7134403d5be2 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -12,39 +12,6 @@
12#include <linux/smp_lock.h> 12#include <linux/smp_lock.h>
13#include <linux/buffer_head.h> 13#include <linux/buffer_head.h>
14 14
15static ssize_t fat_file_aio_write(struct kiocb *iocb, const char __user *buf,
16 size_t count, loff_t pos)
17{
18 struct inode *inode = iocb->ki_filp->f_dentry->d_inode;
19 int retval;
20
21 retval = generic_file_aio_write(iocb, buf, count, pos);
22 if (retval > 0) {
23 inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
24 MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
25 mark_inode_dirty(inode);
26// check the locking rules
27// if (IS_SYNC(inode))
28// fat_sync_inode(inode);
29 }
30 return retval;
31}
32
33static ssize_t fat_file_writev(struct file *filp, const struct iovec *iov,
34 unsigned long nr_segs, loff_t *ppos)
35{
36 struct inode *inode = filp->f_dentry->d_inode;
37 int retval;
38
39 retval = generic_file_writev(filp, iov, nr_segs, ppos);
40 if (retval > 0) {
41 inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
42 MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
43 mark_inode_dirty(inode);
44 }
45 return retval;
46}
47
48int fat_generic_ioctl(struct inode *inode, struct file *filp, 15int fat_generic_ioctl(struct inode *inode, struct file *filp,
49 unsigned int cmd, unsigned long arg) 16 unsigned int cmd, unsigned long arg)
50{ 17{
@@ -148,9 +115,9 @@ struct file_operations fat_file_operations = {
148 .read = do_sync_read, 115 .read = do_sync_read,
149 .write = do_sync_write, 116 .write = do_sync_write,
150 .readv = generic_file_readv, 117 .readv = generic_file_readv,
151 .writev = fat_file_writev, 118 .writev = generic_file_writev,
152 .aio_read = generic_file_aio_read, 119 .aio_read = generic_file_aio_read,
153 .aio_write = fat_file_aio_write, 120 .aio_write = generic_file_aio_write,
154 .mmap = generic_file_mmap, 121 .mmap = generic_file_mmap,
155 .ioctl = fat_generic_ioctl, 122 .ioctl = fat_generic_ioctl,
156 .fsync = file_fsync, 123 .fsync = file_fsync,
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index a7cbe68e2259..e2effe2dc9b2 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -102,6 +102,19 @@ static int fat_prepare_write(struct file *file, struct page *page,
102 &MSDOS_I(page->mapping->host)->mmu_private); 102 &MSDOS_I(page->mapping->host)->mmu_private);
103} 103}
104 104
105static int fat_commit_write(struct file *file, struct page *page,
106 unsigned from, unsigned to)
107{
108 struct inode *inode = page->mapping->host;
109 int err = generic_commit_write(file, page, from, to);
110 if (!err && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) {
111 inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
112 MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
113 mark_inode_dirty(inode);
114 }
115 return err;
116}
117
105static sector_t _fat_bmap(struct address_space *mapping, sector_t block) 118static sector_t _fat_bmap(struct address_space *mapping, sector_t block)
106{ 119{
107 return generic_block_bmap(mapping, block, fat_get_block); 120 return generic_block_bmap(mapping, block, fat_get_block);
@@ -112,7 +125,7 @@ static struct address_space_operations fat_aops = {
112 .writepage = fat_writepage, 125 .writepage = fat_writepage,
113 .sync_page = block_sync_page, 126 .sync_page = block_sync_page,
114 .prepare_write = fat_prepare_write, 127 .prepare_write = fat_prepare_write,
115 .commit_write = generic_commit_write, 128 .commit_write = fat_commit_write,
116 .bmap = _fat_bmap 129 .bmap = _fat_bmap
117}; 130};
118 131
@@ -287,9 +300,9 @@ static int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
287 inode->i_blksize = sbi->cluster_size; 300 inode->i_blksize = sbi->cluster_size;
288 inode->i_blocks = ((inode->i_size + (sbi->cluster_size - 1)) 301 inode->i_blocks = ((inode->i_size + (sbi->cluster_size - 1))
289 & ~((loff_t)sbi->cluster_size - 1)) >> 9; 302 & ~((loff_t)sbi->cluster_size - 1)) >> 9;
290 inode->i_mtime.tv_sec = inode->i_atime.tv_sec = 303 inode->i_mtime.tv_sec =
291 date_dos2unix(le16_to_cpu(de->time), le16_to_cpu(de->date)); 304 date_dos2unix(le16_to_cpu(de->time), le16_to_cpu(de->date));
292 inode->i_mtime.tv_nsec = inode->i_atime.tv_nsec = 0; 305 inode->i_mtime.tv_nsec = 0;
293 if (sbi->options.isvfat) { 306 if (sbi->options.isvfat) {
294 int secs = de->ctime_cs / 100; 307 int secs = de->ctime_cs / 100;
295 int csecs = de->ctime_cs % 100; 308 int csecs = de->ctime_cs % 100;
@@ -297,8 +310,11 @@ static int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
297 date_dos2unix(le16_to_cpu(de->ctime), 310 date_dos2unix(le16_to_cpu(de->ctime),
298 le16_to_cpu(de->cdate)) + secs; 311 le16_to_cpu(de->cdate)) + secs;
299 inode->i_ctime.tv_nsec = csecs * 10000000; 312 inode->i_ctime.tv_nsec = csecs * 10000000;
313 inode->i_atime.tv_sec =
314 date_dos2unix(le16_to_cpu(0), le16_to_cpu(de->adate));
315 inode->i_atime.tv_nsec = 0;
300 } else 316 } else
301 inode->i_ctime = inode->i_mtime; 317 inode->i_ctime = inode->i_atime = inode->i_mtime;
302 318
303 return 0; 319 return 0;
304} 320}
@@ -500,7 +516,9 @@ retry:
500 raw_entry->starthi = cpu_to_le16(MSDOS_I(inode)->i_logstart >> 16); 516 raw_entry->starthi = cpu_to_le16(MSDOS_I(inode)->i_logstart >> 16);
501 fat_date_unix2dos(inode->i_mtime.tv_sec, &raw_entry->time, &raw_entry->date); 517 fat_date_unix2dos(inode->i_mtime.tv_sec, &raw_entry->time, &raw_entry->date);
502 if (sbi->options.isvfat) { 518 if (sbi->options.isvfat) {
519 __le16 atime;
503 fat_date_unix2dos(inode->i_ctime.tv_sec,&raw_entry->ctime,&raw_entry->cdate); 520 fat_date_unix2dos(inode->i_ctime.tv_sec,&raw_entry->ctime,&raw_entry->cdate);
521 fat_date_unix2dos(inode->i_atime.tv_sec,&atime,&raw_entry->adate);
504 raw_entry->ctime_cs = (inode->i_ctime.tv_sec & 1) * 100 + 522 raw_entry->ctime_cs = (inode->i_ctime.tv_sec & 1) * 100 +
505 inode->i_ctime.tv_nsec / 10000000; 523 inode->i_ctime.tv_nsec / 10000000;
506 } 524 }