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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 14:26:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 14:26:52 -0400
commit5f248c9c251c60af3403902b26e08de43964ea0b (patch)
tree6d3328e72a7e4015a64017eb30be18095c6a3c64 /fs/ext3/inode.c
parentf6cec0ae58c17522a7bc4e2f39dae19f199ab534 (diff)
parentdca332528bc69e05f67161e1ed59929633d5e63d (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
Diffstat (limited to 'fs/ext3/inode.c')
-rw-r--r--fs/ext3/inode.c63
1 files changed, 49 insertions, 14 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 001eb0e2d48..5e0faf4cda7 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -190,18 +190,28 @@ static int truncate_restart_transaction(handle_t *handle, struct inode *inode)
190} 190}
191 191
192/* 192/*
193 * Called at the last iput() if i_nlink is zero. 193 * Called at inode eviction from icache
194 */ 194 */
195void ext3_delete_inode (struct inode * inode) 195void ext3_evict_inode (struct inode *inode)
196{ 196{
197 struct ext3_block_alloc_info *rsv;
197 handle_t *handle; 198 handle_t *handle;
199 int want_delete = 0;
198 200
199 if (!is_bad_inode(inode)) 201 if (!inode->i_nlink && !is_bad_inode(inode)) {
200 dquot_initialize(inode); 202 dquot_initialize(inode);
203 want_delete = 1;
204 }
201 205
202 truncate_inode_pages(&inode->i_data, 0); 206 truncate_inode_pages(&inode->i_data, 0);
203 207
204 if (is_bad_inode(inode)) 208 ext3_discard_reservation(inode);
209 rsv = EXT3_I(inode)->i_block_alloc_info;
210 EXT3_I(inode)->i_block_alloc_info = NULL;
211 if (unlikely(rsv))
212 kfree(rsv);
213
214 if (!want_delete)
205 goto no_delete; 215 goto no_delete;
206 216
207 handle = start_transaction(inode); 217 handle = start_transaction(inode);
@@ -238,15 +248,22 @@ void ext3_delete_inode (struct inode * inode)
238 * having errors), but we can't free the inode if the mark_dirty 248 * having errors), but we can't free the inode if the mark_dirty
239 * fails. 249 * fails.
240 */ 250 */
241 if (ext3_mark_inode_dirty(handle, inode)) 251 if (ext3_mark_inode_dirty(handle, inode)) {
242 /* If that failed, just do the required in-core inode clear. */ 252 /* If that failed, just dquot_drop() and be done with that */
243 clear_inode(inode); 253 dquot_drop(inode);
244 else 254 end_writeback(inode);
255 } else {
256 ext3_xattr_delete_inode(handle, inode);
257 dquot_free_inode(inode);
258 dquot_drop(inode);
259 end_writeback(inode);
245 ext3_free_inode(handle, inode); 260 ext3_free_inode(handle, inode);
261 }
246 ext3_journal_stop(handle); 262 ext3_journal_stop(handle);
247 return; 263 return;
248no_delete: 264no_delete:
249 clear_inode(inode); /* We must guarantee clearing of inode... */ 265 end_writeback(inode);
266 dquot_drop(inode);
250} 267}
251 268
252typedef struct { 269typedef struct {
@@ -1212,8 +1229,7 @@ retry:
1212 ret = PTR_ERR(handle); 1229 ret = PTR_ERR(handle);
1213 goto out; 1230 goto out;
1214 } 1231 }
1215 ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, 1232 ret = __block_write_begin(page, pos, len, ext3_get_block);
1216 ext3_get_block);
1217 if (ret) 1233 if (ret)
1218 goto write_begin_failed; 1234 goto write_begin_failed;
1219 1235
@@ -1798,6 +1814,17 @@ retry:
1798 ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, 1814 ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
1799 offset, nr_segs, 1815 offset, nr_segs,
1800 ext3_get_block, NULL); 1816 ext3_get_block, NULL);
1817 /*
1818 * In case of error extending write may have instantiated a few
1819 * blocks outside i_size. Trim these off again.
1820 */
1821 if (unlikely((rw & WRITE) && ret < 0)) {
1822 loff_t isize = i_size_read(inode);
1823 loff_t end = offset + iov_length(iov, nr_segs);
1824
1825 if (end > isize)
1826 vmtruncate(inode, isize);
1827 }
1801 if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries)) 1828 if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
1802 goto retry; 1829 goto retry;
1803 1830
@@ -2560,7 +2587,7 @@ out_stop:
2560 * If this was a simple ftruncate(), and the file will remain alive 2587 * If this was a simple ftruncate(), and the file will remain alive
2561 * then we need to clear up the orphan record which we created above. 2588 * then we need to clear up the orphan record which we created above.
2562 * However, if this was a real unlink then we were called by 2589 * However, if this was a real unlink then we were called by
2563 * ext3_delete_inode(), and we allow that function to clean up the 2590 * ext3_evict_inode(), and we allow that function to clean up the
2564 * orphan info for us. 2591 * orphan info for us.
2565 */ 2592 */
2566 if (inode->i_nlink) 2593 if (inode->i_nlink)
@@ -3204,9 +3231,17 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
3204 ext3_journal_stop(handle); 3231 ext3_journal_stop(handle);
3205 } 3232 }
3206 3233
3207 rc = inode_setattr(inode, attr); 3234 if ((attr->ia_valid & ATTR_SIZE) &&
3235 attr->ia_size != i_size_read(inode)) {
3236 rc = vmtruncate(inode, attr->ia_size);
3237 if (rc)
3238 goto err_out;
3239 }
3240
3241 setattr_copy(inode, attr);
3242 mark_inode_dirty(inode);
3208 3243
3209 if (!rc && (ia_valid & ATTR_MODE)) 3244 if (ia_valid & ATTR_MODE)
3210 rc = ext3_acl_chmod(inode); 3245 rc = ext3_acl_chmod(inode);
3211 3246
3212err_out: 3247err_out: