Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include "xfs.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 19 | #include "xfs_bit.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include "xfs_log.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 21 | #include "xfs_inum.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include "xfs_sb.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 23 | #include "xfs_ag.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "xfs_dir2.h" |
| 25 | #include "xfs_trans.h" |
| 26 | #include "xfs_dmapi.h" |
| 27 | #include "xfs_mount.h" |
| 28 | #include "xfs_bmap_btree.h" |
| 29 | #include "xfs_alloc_btree.h" |
| 30 | #include "xfs_ialloc_btree.h" |
| 31 | #include "xfs_alloc.h" |
| 32 | #include "xfs_btree.h" |
| 33 | #include "xfs_attr_sf.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include "xfs_dir2_sf.h" |
| 35 | #include "xfs_dinode.h" |
| 36 | #include "xfs_inode.h" |
| 37 | #include "xfs_error.h" |
| 38 | #include "xfs_rw.h" |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 39 | #include "xfs_vnodeops.h" |
Christoph Hellwig | f999a5b | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 40 | #include "xfs_da_btree.h" |
Christoph Hellwig | ddcd856 | 2008-12-03 07:55:34 -0500 | [diff] [blame] | 41 | #include "xfs_ioctl.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | #include <linux/dcache.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 45 | static struct vm_operations_struct xfs_file_vm_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 48 | xfs_file_aio_read( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | struct kiocb *iocb, |
Badari Pulavarty | 027445c | 2006-09-30 23:28:46 -0700 | [diff] [blame] | 50 | const struct iovec *iov, |
| 51 | unsigned long nr_segs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | loff_t pos) |
| 53 | { |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 54 | struct file *file = iocb->ki_filp; |
| 55 | int ioflags = IO_ISAIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | BUG_ON(iocb->ki_pos != pos); |
| 58 | if (unlikely(file->f_flags & O_DIRECT)) |
| 59 | ioflags |= IO_ISDIRECT; |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 60 | if (file->f_mode & FMODE_NOCMTIME) |
| 61 | ioflags |= IO_INVIS; |
| 62 | return xfs_read(XFS_I(file->f_path.dentry->d_inode), iocb, iov, |
| 63 | nr_segs, &iocb->ki_pos, ioflags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | } |
| 65 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 67 | xfs_file_aio_write( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | struct kiocb *iocb, |
Badari Pulavarty | 027445c | 2006-09-30 23:28:46 -0700 | [diff] [blame] | 69 | const struct iovec *iov, |
| 70 | unsigned long nr_segs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | loff_t pos) |
| 72 | { |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 73 | struct file *file = iocb->ki_filp; |
| 74 | int ioflags = IO_ISAIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 76 | BUG_ON(iocb->ki_pos != pos); |
| 77 | if (unlikely(file->f_flags & O_DIRECT)) |
| 78 | ioflags |= IO_ISDIRECT; |
| 79 | if (file->f_mode & FMODE_NOCMTIME) |
| 80 | ioflags |= IO_INVIS; |
| 81 | return xfs_write(XFS_I(file->f_mapping->host), iocb, iov, nr_segs, |
| 82 | &iocb->ki_pos, ioflags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | } |
| 84 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | STATIC ssize_t |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 86 | xfs_file_splice_read( |
| 87 | struct file *infilp, |
Jens Axboe | cbb7e57 | 2006-04-11 14:57:50 +0200 | [diff] [blame] | 88 | loff_t *ppos, |
Ingo Molnar | 3a326a2 | 2006-04-10 15:18:35 +0200 | [diff] [blame] | 89 | struct pipe_inode_info *pipe, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 90 | size_t len, |
| 91 | unsigned int flags) |
| 92 | { |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 93 | int ioflags = 0; |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 94 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 95 | if (infilp->f_mode & FMODE_NOCMTIME) |
| 96 | ioflags |= IO_INVIS; |
| 97 | |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 98 | return xfs_splice_read(XFS_I(infilp->f_path.dentry->d_inode), |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 99 | infilp, ppos, pipe, len, flags, ioflags); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | STATIC ssize_t |
| 103 | xfs_file_splice_write( |
Ingo Molnar | 3a326a2 | 2006-04-10 15:18:35 +0200 | [diff] [blame] | 104 | struct pipe_inode_info *pipe, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 105 | struct file *outfilp, |
Jens Axboe | cbb7e57 | 2006-04-11 14:57:50 +0200 | [diff] [blame] | 106 | loff_t *ppos, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 107 | size_t len, |
| 108 | unsigned int flags) |
| 109 | { |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 110 | int ioflags = 0; |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 111 | |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 112 | if (outfilp->f_mode & FMODE_NOCMTIME) |
| 113 | ioflags |= IO_INVIS; |
| 114 | |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 115 | return xfs_splice_write(XFS_I(outfilp->f_path.dentry->d_inode), |
Christoph Hellwig | 4d4be48 | 2008-12-09 04:47:33 -0500 | [diff] [blame] | 116 | pipe, outfilp, ppos, len, flags, ioflags); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 117 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
| 119 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 120 | xfs_file_open( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | struct inode *inode, |
Christoph Hellwig | f999a5b | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 122 | struct file *file) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | { |
Christoph Hellwig | f999a5b | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 124 | if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | return -EFBIG; |
Christoph Hellwig | f999a5b | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 126 | if (XFS_FORCED_SHUTDOWN(XFS_M(inode->i_sb))) |
| 127 | return -EIO; |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | STATIC int |
| 132 | xfs_dir_open( |
| 133 | struct inode *inode, |
| 134 | struct file *file) |
| 135 | { |
| 136 | struct xfs_inode *ip = XFS_I(inode); |
| 137 | int mode; |
| 138 | int error; |
| 139 | |
| 140 | error = xfs_file_open(inode, file); |
| 141 | if (error) |
| 142 | return error; |
| 143 | |
| 144 | /* |
| 145 | * If there are any blocks, read-ahead block 0 as we're almost |
| 146 | * certain to have the next operation be a read there. |
| 147 | */ |
| 148 | mode = xfs_ilock_map_shared(ip); |
| 149 | if (ip->i_d.di_nextents > 0) |
| 150 | xfs_da_reada_buf(NULL, ip, 0, XFS_DATA_FORK); |
| 151 | xfs_iunlock(ip, mode); |
| 152 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | } |
| 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 156 | xfs_file_release( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | struct inode *inode, |
| 158 | struct file *filp) |
| 159 | { |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 160 | return -xfs_release(XFS_I(inode)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | } |
| 162 | |
David Chinner | 978b723 | 2008-05-19 16:29:46 +1000 | [diff] [blame] | 163 | /* |
| 164 | * We ignore the datasync flag here because a datasync is effectively |
| 165 | * identical to an fsync. That is, datasync implies that we need to write |
| 166 | * only the metadata needed to be able to access the data that is written |
| 167 | * if we crash after the call completes. Hence if we are writing beyond |
| 168 | * EOF we have to log the inode size change as well, which makes it a |
| 169 | * full fsync. If we don't write beyond EOF, the inode core will be |
| 170 | * clean in memory and so we don't need to log the inode, just like |
| 171 | * fsync. |
| 172 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 174 | xfs_file_fsync( |
Christoph Hellwig | 13e6d5c | 2009-08-31 21:00:31 -0300 | [diff] [blame] | 175 | struct file *file, |
| 176 | struct dentry *dentry, |
| 177 | int datasync) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | { |
Christoph Hellwig | 13e6d5c | 2009-08-31 21:00:31 -0300 | [diff] [blame] | 179 | struct inode *inode = dentry->d_inode; |
| 180 | struct xfs_inode *ip = XFS_I(inode); |
| 181 | int error; |
| 182 | |
| 183 | /* capture size updates in I/O completion before writing the inode. */ |
| 184 | error = filemap_fdatawait(inode->i_mapping); |
| 185 | if (error) |
| 186 | return error; |
| 187 | |
| 188 | xfs_iflags_clear(ip, XFS_ITRUNCATED); |
| 189 | return -xfs_fsync(ip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | } |
| 191 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 193 | xfs_file_readdir( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | struct file *filp, |
| 195 | void *dirent, |
| 196 | filldir_t filldir) |
| 197 | { |
Christoph Hellwig | 051e7cd | 2007-08-28 13:58:24 +1000 | [diff] [blame] | 198 | struct inode *inode = filp->f_path.dentry->d_inode; |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 199 | xfs_inode_t *ip = XFS_I(inode); |
Christoph Hellwig | 051e7cd | 2007-08-28 13:58:24 +1000 | [diff] [blame] | 200 | int error; |
| 201 | size_t bufsize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
Christoph Hellwig | 051e7cd | 2007-08-28 13:58:24 +1000 | [diff] [blame] | 203 | /* |
| 204 | * The Linux API doesn't pass down the total size of the buffer |
| 205 | * we read into down to the filesystem. With the filldir concept |
| 206 | * it's not needed for correct information, but the XFS dir2 leaf |
| 207 | * code wants an estimate of the buffer size to calculate it's |
| 208 | * readahead window and size the buffers used for mapping to |
| 209 | * physical blocks. |
| 210 | * |
| 211 | * Try to give it an estimate that's good enough, maybe at some |
| 212 | * point we can change the ->readdir prototype to include the |
| 213 | * buffer size. |
| 214 | */ |
Lachlan McIlroy | d415867 | 2008-12-22 17:50:56 +1100 | [diff] [blame] | 215 | bufsize = (size_t)min_t(loff_t, PAGE_SIZE, ip->i_d.di_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | |
Christoph Hellwig | 739bfb2 | 2007-08-29 10:58:01 +1000 | [diff] [blame] | 217 | error = xfs_readdir(ip, dirent, bufsize, |
Christoph Hellwig | 051e7cd | 2007-08-28 13:58:24 +1000 | [diff] [blame] | 218 | (xfs_off_t *)&filp->f_pos, filldir); |
| 219 | if (error) |
| 220 | return -error; |
| 221 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | } |
| 223 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 225 | xfs_file_mmap( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | struct file *filp, |
| 227 | struct vm_area_struct *vma) |
| 228 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 229 | vma->vm_ops = &xfs_file_vm_ops; |
Nick Piggin | d0217ac | 2007-07-19 01:47:03 -0700 | [diff] [blame] | 230 | vma->vm_flags |= VM_CAN_NONLINEAR; |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 231 | |
Nathan Scott | fbc1462 | 2006-06-09 14:52:13 +1000 | [diff] [blame] | 232 | file_accessed(filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | return 0; |
| 234 | } |
| 235 | |
David Chinner | 4f57dbc | 2007-07-19 16:28:17 +1000 | [diff] [blame] | 236 | /* |
| 237 | * mmap()d file has taken write protection fault and is being made |
| 238 | * writable. We can set the page state up correctly for a writable |
| 239 | * page, which means we can do correct delalloc accounting (ENOSPC |
| 240 | * checking!) and unwritten extent mapping. |
| 241 | */ |
| 242 | STATIC int |
| 243 | xfs_vm_page_mkwrite( |
| 244 | struct vm_area_struct *vma, |
Nick Piggin | c2ec175 | 2009-03-31 15:23:21 -0700 | [diff] [blame] | 245 | struct vm_fault *vmf) |
David Chinner | 4f57dbc | 2007-07-19 16:28:17 +1000 | [diff] [blame] | 246 | { |
Nick Piggin | c2ec175 | 2009-03-31 15:23:21 -0700 | [diff] [blame] | 247 | return block_page_mkwrite(vma, vmf, xfs_get_blocks); |
David Chinner | 4f57dbc | 2007-07-19 16:28:17 +1000 | [diff] [blame] | 248 | } |
| 249 | |
Arjan van de Ven | 4b6f5d2 | 2006-03-28 01:56:42 -0800 | [diff] [blame] | 250 | const struct file_operations xfs_file_operations = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | .llseek = generic_file_llseek, |
| 252 | .read = do_sync_read, |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 253 | .write = do_sync_write, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 254 | .aio_read = xfs_file_aio_read, |
| 255 | .aio_write = xfs_file_aio_write, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 256 | .splice_read = xfs_file_splice_read, |
| 257 | .splice_write = xfs_file_splice_write, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 258 | .unlocked_ioctl = xfs_file_ioctl, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | #ifdef CONFIG_COMPAT |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 260 | .compat_ioctl = xfs_file_compat_ioctl, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | #endif |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 262 | .mmap = xfs_file_mmap, |
| 263 | .open = xfs_file_open, |
| 264 | .release = xfs_file_release, |
| 265 | .fsync = xfs_file_fsync, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | #ifdef HAVE_FOP_OPEN_EXEC |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 267 | .open_exec = xfs_file_open_exec, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | #endif |
| 269 | }; |
| 270 | |
Arjan van de Ven | 4b6f5d2 | 2006-03-28 01:56:42 -0800 | [diff] [blame] | 271 | const struct file_operations xfs_dir_file_operations = { |
Christoph Hellwig | f999a5b | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 272 | .open = xfs_dir_open, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | .read = generic_read_dir, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 274 | .readdir = xfs_file_readdir, |
Al Viro | 59af158 | 2008-08-24 07:24:41 -0400 | [diff] [blame] | 275 | .llseek = generic_file_llseek, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 276 | .unlocked_ioctl = xfs_file_ioctl, |
Nathan Scott | d387039 | 2005-05-06 06:44:46 -0700 | [diff] [blame] | 277 | #ifdef CONFIG_COMPAT |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 278 | .compat_ioctl = xfs_file_compat_ioctl, |
Nathan Scott | d387039 | 2005-05-06 06:44:46 -0700 | [diff] [blame] | 279 | #endif |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 280 | .fsync = xfs_file_fsync, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | }; |
| 282 | |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 283 | static struct vm_operations_struct xfs_file_vm_ops = { |
Nick Piggin | 54cb882 | 2007-07-19 01:46:59 -0700 | [diff] [blame] | 284 | .fault = filemap_fault, |
David Chinner | 4f57dbc | 2007-07-19 16:28:17 +1000 | [diff] [blame] | 285 | .page_mkwrite = xfs_vm_page_mkwrite, |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 286 | }; |