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Sanitize ->fsync() for FAT

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* mark directory data blocks as assoc. metadata
* add new inode to deal with FAT, mark FAT blocks as assoc. metadata of that
* now ->fsync() is trivial both for files and directories

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-06-07 13:44:36 -04:00
parent 964f536966
commit b522412aea
7 changed files with 49 additions and 19 deletions
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14
fs/fat/file.c
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@@ -133,6 +133,18 @@ static int fat_file_release(struct inode *inode, struct file *filp)
return 0;
}
int fat_file_fsync(struct file *filp, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
int res, err;
res = simple_fsync(filp, dentry, datasync);
err = sync_mapping_buffers(MSDOS_SB(inode->i_sb)->fat_inode->i_mapping);
return res ? res : err;
}
const struct file_operations fat_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
@@ -142,7 +154,7 @@ const struct file_operations fat_file_operations = {
.mmap = generic_file_mmap,
.release = fat_file_release,
.ioctl = fat_generic_ioctl,
.fsync = file_fsync,
.fsync = fat_file_fsync,
.splice_read = generic_file_splice_read,
};