projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/fs/minix/file.c | |
| 3 | * | |
| 4 | * Copyright (C) 1991, 1992 Linus Torvalds | |
| 5 | * | |
| 6 | * minix regular file handling primitives | |
| 7 | */ | |
| 8 | ||
| 1da177e4 LT |
9 | #include "minix.h" |
| 10 | ||
| 11 | /* | |
| 12 | * We have mostly NULLs here: the current defaults are OK for | |
| 13 | * the minix filesystem. | |
| 14 | */ | |
| 4b6f5d20 | 15 | const struct file_operations minix_file_operations = { |
| 1da177e4 | 16 | .llseek = generic_file_llseek, |
| aad4f8bb | 17 | .read_iter = generic_file_read_iter, |
| 8174202b | 18 | .write_iter = generic_file_write_iter, |
| 1da177e4 | 19 | .mmap = generic_file_mmap, |
| 1b061d92 | 20 | .fsync = generic_file_fsync, |
| 5ffc4ef4 | 21 | .splice_read = generic_file_splice_read, |
| 1da177e4 LT |
22 | }; |
| 23 | ||
| d39aae9e CH |
24 | static int minix_setattr(struct dentry *dentry, struct iattr *attr) |
| 25 | { | |
| 2b0143b5 | 26 | struct inode *inode = d_inode(dentry); |
| d39aae9e CH |
27 | int error; |
| 28 | ||
| 29 | error = inode_change_ok(inode, attr); | |
| 30 | if (error) | |
| 31 | return error; | |
| 1025774c CH |
32 | |
| 33 | if ((attr->ia_valid & ATTR_SIZE) && | |
| 34 | attr->ia_size != i_size_read(inode)) { | |
| 7fc7cd00 | 35 | error = inode_newsize_ok(inode, attr->ia_size); |
| 1025774c CH |
36 | if (error) |
| 37 | return error; | |
| 7fc7cd00 MS |
38 | |
| 39 | truncate_setsize(inode, attr->ia_size); | |
| 40 | minix_truncate(inode); | |
| 1025774c CH |
41 | } |
| 42 | ||
| 43 | setattr_copy(inode, attr); | |
| 44 | mark_inode_dirty(inode); | |
| 45 | return 0; | |
| d39aae9e CH |
46 | } |
| 47 | ||
| 92e1d5be | 48 | const struct inode_operations minix_file_inode_operations = { |
| d39aae9e | 49 | .setattr = minix_setattr, |
| 1da177e4 LT |
50 | .getattr = minix_getattr, |
| 51 | }; |