diff options
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 2633150e41b9..534a9130f625 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -149,6 +149,15 @@ static int ext4_meta_trans_blocks(struct inode *inode, int lblocks, */ int ext4_inode_is_fast_symlink(struct inode *inode) { + if (!(EXT4_I(inode)->i_flags & EXT4_EA_INODE_FL)) { + int ea_blocks = EXT4_I(inode)->i_file_acl ? + EXT4_CLUSTER_SIZE(inode->i_sb) >> 9 : 0; + + if (ext4_has_inline_data(inode)) + return 0; + + return (S_ISLNK(inode->i_mode) && inode->i_blocks - ea_blocks == 0); + } return S_ISLNK(inode->i_mode) && inode->i_size && (inode->i_size < EXT4_N_BLOCKS * 4); } @@ -1719,7 +1728,7 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd, ext4_es_remove_extent(inode, start, last - start + 1); } - pagevec_init(&pvec, 0); + pagevec_init(&pvec); while (index <= end) { nr_pages = pagevec_lookup_range(&pvec, mapping, &index, end); if (nr_pages == 0) @@ -2345,7 +2354,7 @@ static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd) lblk = start << bpp_bits; pblock = mpd->map.m_pblk; - pagevec_init(&pvec, 0); + pagevec_init(&pvec); while (start <= end) { nr_pages = pagevec_lookup_range(&pvec, inode->i_mapping, &start, end); @@ -2616,12 +2625,12 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) else tag = PAGECACHE_TAG_DIRTY; - pagevec_init(&pvec, 0); + pagevec_init(&pvec); mpd->map.m_len = 0; mpd->next_page = index; while (index <= end) { - nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag, - min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1); + nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end, + tag); if (nr_pages == 0) goto out; @@ -2629,16 +2638,6 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) struct page *page = pvec.pages[i]; /* - * At this point, the page may be truncated or - * invalidated (changing page->mapping to NULL), or - * even swizzled back from swapper_space to tmpfs file - * mapping. However, page->index will not change - * because we have a reference on the page. - */ - if (page->index > end) - goto out; - - /* * Accumulated enough dirty pages? This doesn't apply * to WB_SYNC_ALL mode. For integrity sync we have to * keep going because someone may be concurrently @@ -2752,7 +2751,7 @@ static int ext4_writepages(struct address_space *mapping, * If the filesystem has aborted, it is read-only, so return * right away instead of dumping stack traces later on that * will obscure the real source of the problem. We test - * EXT4_MF_FS_ABORTED instead of sb->s_flag's MS_RDONLY because + * EXT4_MF_FS_ABORTED instead of sb->s_flag's SB_RDONLY because * the latter could be true if the filesystem is mounted * read-only, and in that case, ext4_writepages should * *never* be called, so if that ever happens, we would want @@ -3394,6 +3393,19 @@ static int ext4_releasepage(struct page *page, gfp_t wait) return try_to_free_buffers(page); } +static bool ext4_inode_datasync_dirty(struct inode *inode) +{ + journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; + + if (journal) + return !jbd2_transaction_committed(journal, + EXT4_I(inode)->i_datasync_tid); + /* Any metadata buffers to write? */ + if (!list_empty(&inode->i_mapping->private_list)) + return true; + return inode->i_state & I_DIRTY_DATASYNC; +} + static int ext4_iomap_begin(struct inode *inode, loff_t offset, loff_t length, unsigned flags, struct iomap *iomap) { @@ -3507,6 +3519,8 @@ retry: } iomap->flags = 0; + if (ext4_inode_datasync_dirty(inode)) + iomap->flags |= IOMAP_F_DIRTY; iomap->bdev = inode->i_sb->s_bdev; iomap->dax_dev = sbi->s_daxdev; iomap->offset = first_block << blkbits; @@ -5178,7 +5192,7 @@ static int ext4_do_update_inode(handle_t *handle, ext4_inode_csum_set(inode, raw_inode, ei); spin_unlock(&ei->i_raw_lock); - if (inode->i_sb->s_flags & MS_LAZYTIME) + if (inode->i_sb->s_flags & SB_LAZYTIME) ext4_update_other_inodes_time(inode->i_sb, inode->i_ino, bh->b_data); |
