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author | Jiri Kosina <jkosina@suse.cz> | 2010-08-11 09:36:51 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-11 09:36:51 +0200 |
commit | 6396fc3b3ff3f6b942992b653a62df11dcef9bea (patch) | |
tree | db3c7cbe833b43c653adc99f70941431c5ff7c4e /fs/ext3/inode.c | |
parent | fix a typo on comments in mm/percpu.c (diff) | |
parent | Merge branch 'for-linus' of git://neil.brown.name/md (diff) | |
download | linux-6396fc3b3ff3f6b942992b653a62df11dcef9bea.tar.xz linux-6396fc3b3ff3f6b942992b653a62df11dcef9bea.zip |
Merge branch 'master' into for-next
Conflicts:
fs/exofs/inode.c
Diffstat (limited to 'fs/ext3/inode.c')
-rw-r--r-- | fs/ext3/inode.c | 63 |
1 files changed, 49 insertions, 14 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index 001eb0e2d48e..5e0faf4cda79 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) } /* - * Called at the last iput() if i_nlink is zero. + * Called at inode eviction from icache */ -void ext3_delete_inode (struct inode * inode) +void ext3_evict_inode (struct inode *inode) { + struct ext3_block_alloc_info *rsv; handle_t *handle; + int want_delete = 0; - if (!is_bad_inode(inode)) + if (!inode->i_nlink && !is_bad_inode(inode)) { dquot_initialize(inode); + want_delete = 1; + } truncate_inode_pages(&inode->i_data, 0); - if (is_bad_inode(inode)) + ext3_discard_reservation(inode); + rsv = EXT3_I(inode)->i_block_alloc_info; + EXT3_I(inode)->i_block_alloc_info = NULL; + if (unlikely(rsv)) + kfree(rsv); + + if (!want_delete) goto no_delete; handle = start_transaction(inode); @@ -238,15 +248,22 @@ void ext3_delete_inode (struct inode * inode) * having errors), but we can't free the inode if the mark_dirty * fails. */ - if (ext3_mark_inode_dirty(handle, inode)) - /* If that failed, just do the required in-core inode clear. */ - clear_inode(inode); - else + if (ext3_mark_inode_dirty(handle, inode)) { + /* If that failed, just dquot_drop() and be done with that */ + dquot_drop(inode); + end_writeback(inode); + } else { + ext3_xattr_delete_inode(handle, inode); + dquot_free_inode(inode); + dquot_drop(inode); + end_writeback(inode); ext3_free_inode(handle, inode); + } ext3_journal_stop(handle); return; no_delete: - clear_inode(inode); /* We must guarantee clearing of inode... */ + end_writeback(inode); + dquot_drop(inode); } typedef struct { @@ -1212,8 +1229,7 @@ retry: ret = PTR_ERR(handle); goto out; } - ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - ext3_get_block); + ret = __block_write_begin(page, pos, len, ext3_get_block); if (ret) goto write_begin_failed; @@ -1798,6 +1814,17 @@ retry: ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, ext3_get_block, NULL); + /* + * In case of error extending write may have instantiated a few + * blocks outside i_size. Trim these off again. + */ + if (unlikely((rw & WRITE) && ret < 0)) { + loff_t isize = i_size_read(inode); + loff_t end = offset + iov_length(iov, nr_segs); + + if (end > isize) + vmtruncate(inode, isize); + } if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries)) goto retry; @@ -2560,7 +2587,7 @@ out_stop: * If this was a simple ftruncate(), and the file will remain alive * then we need to clear up the orphan record which we created above. * However, if this was a real unlink then we were called by - * ext3_delete_inode(), and we allow that function to clean up the + * ext3_evict_inode(), and we allow that function to clean up the * orphan info for us. */ if (inode->i_nlink) @@ -3204,9 +3231,17 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr) ext3_journal_stop(handle); } - rc = inode_setattr(inode, attr); + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) { + rc = vmtruncate(inode, attr->ia_size); + if (rc) + goto err_out; + } + + setattr_copy(inode, attr); + mark_inode_dirty(inode); - if (!rc && (ia_valid & ATTR_MODE)) + if (ia_valid & ATTR_MODE) rc = ext3_acl_chmod(inode); err_out: |