diff options
Diffstat (limited to 'fs/minix/file.c')
-rw-r--r-- | fs/minix/file.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/fs/minix/file.c b/fs/minix/file.c new file mode 100644 index 00000000..4493ce69 --- /dev/null +++ b/fs/minix/file.c @@ -0,0 +1,51 @@ +/* + * linux/fs/minix/file.c + * + * Copyright (C) 1991, 1992 Linus Torvalds + * + * minix regular file handling primitives + */ + +#include "minix.h" + +/* + * We have mostly NULLs here: the current defaults are OK for + * the minix filesystem. + */ +const struct file_operations minix_file_operations = { + .llseek = generic_file_llseek, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .write = do_sync_write, + .aio_write = generic_file_aio_write, + .mmap = generic_file_mmap, + .fsync = generic_file_fsync, + .splice_read = generic_file_splice_read, +}; + +static int minix_setattr(struct dentry *dentry, struct iattr *attr) +{ + struct inode *inode = dentry->d_inode; + int error; + + error = inode_change_ok(inode, attr); + if (error) + return error; + + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) { + error = vmtruncate(inode, attr->ia_size); + if (error) + return error; + } + + setattr_copy(inode, attr); + mark_inode_dirty(inode); + return 0; +} + +const struct inode_operations minix_file_inode_operations = { + .truncate = minix_truncate, + .setattr = minix_setattr, + .getattr = minix_getattr, +}; |