projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/fs/ext2/file.c | |
| 3 | * | |
| 4 | * Copyright (C) 1992, 1993, 1994, 1995 | |
| 5 | * Remy Card (card@masi.ibp.fr) | |
| 6 | * Laboratoire MASI - Institut Blaise Pascal | |
| 7 | * Universite Pierre et Marie Curie (Paris VI) | |
| 8 | * | |
| 9 | * from | |
| 10 | * | |
| 11 | * linux/fs/minix/file.c | |
| 12 | * | |
| 13 | * Copyright (C) 1991, 1992 Linus Torvalds | |
| 14 | * | |
| 15 | * ext2 fs regular file handling primitives | |
| 16 | * | |
| 17 | * 64-bit file support on 64-bit platforms by Jakub Jelinek | |
| 18 | * (jj@sunsite.ms.mff.cuni.cz) | |
| 19 | */ | |
| 20 | ||
| 21 | #include <linux/time.h> | |
| 22 | #include "ext2.h" | |
| 23 | #include "xattr.h" | |
| 24 | #include "acl.h" | |
| 25 | ||
| 26 | /* | |
| 27 | * Called when an inode is released. Note that this is different | |
| 28 | * from ext2_open_file: open gets called at every open, but release | |
| 29 | * gets called only when /all/ the files are closed. | |
| 30 | */ | |
| 31 | static int ext2_release_file (struct inode * inode, struct file * filp) | |
| 32 | { | |
| 33 | if (filp->f_mode & FMODE_WRITE) | |
| 34 | ext2_discard_prealloc (inode); | |
| 35 | return 0; | |
| 36 | } | |
| 37 | ||
| 38 | /* | |
| 39 | * We have mostly NULL's here: the current defaults are ok for | |
| 40 | * the ext2 filesystem. | |
| 41 | */ | |
| 4b6f5d20 | 42 | const struct file_operations ext2_file_operations = { |
| 1da177e4 | 43 | .llseek = generic_file_llseek, |
| 543ade1f BP |
44 | .read = do_sync_read, |
| 45 | .write = do_sync_write, | |
| 1da177e4 LT |
46 | .aio_read = generic_file_aio_read, |
| 47 | .aio_write = generic_file_aio_write, | |
| 48 | .ioctl = ext2_ioctl, | |
| e322ff07 DH |
49 | #ifdef CONFIG_COMPAT |
| 50 | .compat_ioctl = ext2_compat_ioctl, | |
| 51 | #endif | |
| 1da177e4 LT |
52 | .mmap = generic_file_mmap, |
| 53 | .open = generic_file_open, | |
| 54 | .release = ext2_release_file, | |
| 55 | .fsync = ext2_sync_file, | |
| 1da177e4 | 56 | .sendfile = generic_file_sendfile, |
| 5274f052 JA |
57 | .splice_read = generic_file_splice_read, |
| 58 | .splice_write = generic_file_splice_write, | |
| 1da177e4 LT |
59 | }; |
| 60 | ||
| 6d79125b | 61 | #ifdef CONFIG_EXT2_FS_XIP |
| 4b6f5d20 | 62 | const struct file_operations ext2_xip_file_operations = { |
| 6d79125b | 63 | .llseek = generic_file_llseek, |
| eb6fe0c3 CO |
64 | .read = xip_file_read, |
| 65 | .write = xip_file_write, | |
| 6d79125b | 66 | .ioctl = ext2_ioctl, |
| e322ff07 DH |
67 | #ifdef CONFIG_COMPAT |
| 68 | .compat_ioctl = ext2_compat_ioctl, | |
| 69 | #endif | |
| 6d79125b CO |
70 | .mmap = xip_file_mmap, |
| 71 | .open = generic_file_open, | |
| 72 | .release = ext2_release_file, | |
| 73 | .fsync = ext2_sync_file, | |
| 6d79125b CO |
74 | .sendfile = xip_file_sendfile, |
| 75 | }; | |
| 76 | #endif | |
| 77 | ||
| 754661f1 | 78 | const struct inode_operations ext2_file_inode_operations = { |
| 1da177e4 LT |
79 | .truncate = ext2_truncate, |
| 80 | #ifdef CONFIG_EXT2_FS_XATTR | |
| 81 | .setxattr = generic_setxattr, | |
| 82 | .getxattr = generic_getxattr, | |
| 83 | .listxattr = ext2_listxattr, | |
| 84 | .removexattr = generic_removexattr, | |
| 85 | #endif | |
| 86 | .setattr = ext2_setattr, | |
| 87 | .permission = ext2_permission, | |
| 88 | }; |