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platform_kernel-5.15
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[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>
This commit is contained in:
OGAWA Hirofumi 2006-11-16 01:19:28 -08:00 committed by Linus Torvalds
parent 565762f3fa
commit da63fc7ce6
4 changed files with 14 additions and 0 deletions
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10
fs/fat/file.c
View File

@ -303,7 +303,17 @@ void fat_truncate(struct inode *inode)
fat_flush_inodes(inode->i_sb, inode, NULL); 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 = { struct inode_operations fat_file_inode_operations = {
.truncate = fat_truncate, .truncate = fat_truncate,
.setattr = fat_notify_change, .setattr = fat_notify_change,
.getattr = fat_getattr,
}; };

1
fs/msdos/namei.c
View File

@ -654,6 +654,7 @@ static struct inode_operations msdos_dir_inode_operations = {
.rmdir = msdos_rmdir, .rmdir = msdos_rmdir,
.rename = msdos_rename, .rename = msdos_rename,
.setattr = fat_notify_change, .setattr = fat_notify_change,
.getattr = fat_getattr,
}; };
static int msdos_fill_super(struct super_block *sb, void *data, int silent) static int msdos_fill_super(struct super_block *sb, void *data, int silent)

1
fs/vfat/namei.c
View File

@ -1004,6 +1004,7 @@ static struct inode_operations vfat_dir_inode_operations = {
.rmdir = vfat_rmdir, .rmdir = vfat_rmdir,
.rename = vfat_rename, .rename = vfat_rename,
.setattr = fat_notify_change, .setattr = fat_notify_change,
.getattr = fat_getattr,
}; };
static int vfat_fill_super(struct super_block *sb, void *data, int silent) static int vfat_fill_super(struct super_block *sb, void *data, int silent)

2
include/linux/msdos_fs.h
View File

@ -402,6 +402,8 @@ extern const struct file_operations fat_file_operations;
extern struct inode_operations fat_file_inode_operations; extern struct inode_operations fat_file_inode_operations;
extern int fat_notify_change(struct dentry * dentry, struct iattr * attr); extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
extern void fat_truncate(struct inode *inode); extern void fat_truncate(struct inode *inode);
extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat);
/* fat/inode.c */ /* fat/inode.c */
extern void fat_attach(struct inode *inode, loff_t i_pos); extern void fat_attach(struct inode *inode, loff_t i_pos);