[PATCH] fat: add fat_getattr()

This adds fat_getattr() for setting stat->blksize. (FAT uses the size
of cluster for proper I/O)

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 14 insertions, 0 deletions

diff --git a/fs/fat/file.c b/fs/fat/file.c
index 8337451e7897..0aa813d944a6 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -303,7 +303,17 @@ void fat_truncate(struct inode *inode)
         fat_flush_inodes(inode->i_sb, inode, NULL);
 }
 
+int fat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+{
+        struct inode *inode = dentry->d_inode;
+        generic_fillattr(inode, stat);
+        stat->blksize = MSDOS_SB(inode->i_sb)->cluster_size;
+        return 0;
+}
+EXPORT_SYMBOL_GPL(fat_getattr);
+
 struct inode_operations fat_file_inode_operations = {
         .truncate       = fat_truncate,
         .setattr        = fat_notify_change,
+        .getattr        = fat_getattr,
 };
diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c
index b0f01b3b0536..452461955cbd 100644
--- a/fs/msdos/namei.c
+++ b/fs/msdos/namei.c
@@ -654,6 +654,7 @@ static struct inode_operations msdos_dir_inode_operations = {
         .rmdir          = msdos_rmdir,
         .rename         = msdos_rename,
         .setattr        = fat_notify_change,
+        .getattr        = fat_getattr,
 };
 
 static int msdos_fill_super(struct super_block *sb, void *data, int silent)
diff --git a/fs/vfat/namei.c b/fs/vfat/namei.c
index edb711ff7b05..0afd745a37cd 100644
--- a/fs/vfat/namei.c
+++ b/fs/vfat/namei.c
@@ -1004,6 +1004,7 @@ static struct inode_operations vfat_dir_inode_operations = {
         .rmdir          = vfat_rmdir,
         .rename         = vfat_rename,
         .setattr        = fat_notify_change,
+        .getattr        = fat_getattr,
 };
 
 static int vfat_fill_super(struct super_block *sb, void *data, int silent)
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index ce6c85815cbd..24a9ef1506b6 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -402,6 +402,8 @@ extern const struct file_operations fat_file_operations;
 extern struct inode_operations fat_file_inode_operations;
 extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
 extern void fat_truncate(struct inode *inode);
+extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
+                       struct kstat *stat);
 
 /* fat/inode.c */
 extern void fat_attach(struct inode *inode, loff_t i_pos);