diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/inline.c | 19 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 14 | ||||
| -rw-r--r-- | fs/ext4/move_extent.c | 8 | ||||
| -rw-r--r-- | fs/ext4/verity.c | 6 |
4 files changed, 25 insertions, 22 deletions
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index b9fb1177fff6..859bc4e2c9b0 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -566,9 +566,9 @@ retry: * started */ folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN | FGP_NOFS, mapping_gfp_mask(mapping)); - if (!folio) { - ret = -ENOMEM; - goto out; + if (IS_ERR(folio)) { + ret = PTR_ERR(folio); + goto out_nofolio; } ext4_write_lock_xattr(inode, &no_expand); @@ -633,6 +633,7 @@ out: folio_unlock(folio); folio_put(folio); } +out_nofolio: if (sem_held) ext4_write_unlock_xattr(inode, &no_expand); if (handle) @@ -693,8 +694,8 @@ int ext4_try_to_write_inline_data(struct address_space *mapping, folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN | FGP_NOFS, mapping_gfp_mask(mapping)); - if (!folio) { - ret = -ENOMEM; + if (IS_ERR(folio)) { + ret = PTR_ERR(folio); goto out; } @@ -854,8 +855,8 @@ static int ext4_da_convert_inline_data_to_extent(struct address_space *mapping, folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN, mapping_gfp_mask(mapping)); - if (!folio) - return -ENOMEM; + if (IS_ERR(folio)) + return PTR_ERR(folio); down_read(&EXT4_I(inode)->xattr_sem); if (!ext4_has_inline_data(inode)) { @@ -947,8 +948,8 @@ retry_journal: */ folio = __filemap_get_folio(mapping, 0, FGP_WRITEBEGIN | FGP_NOFS, mapping_gfp_mask(mapping)); - if (!folio) { - ret = -ENOMEM; + if (IS_ERR(folio)) { + ret = PTR_ERR(folio); goto out_journal; } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 8dbd352e3986..ffbbd9626bd8 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1162,8 +1162,8 @@ static int ext4_write_begin(struct file *file, struct address_space *mapping, retry_grab: folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN, mapping_gfp_mask(mapping)); - if (!folio) - return -ENOMEM; + if (IS_ERR(folio)) + return PTR_ERR(folio); /* * The same as page allocation, we prealloc buffer heads before * starting the handle. @@ -2906,8 +2906,8 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping, retry: folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN, mapping_gfp_mask(mapping)); - if (!folio) - return -ENOMEM; + if (IS_ERR(folio)) + return PTR_ERR(folio); /* In case writeback began while the folio was unlocked */ folio_wait_stable(folio); @@ -3618,8 +3618,8 @@ static int __ext4_block_zero_page_range(handle_t *handle, folio = __filemap_get_folio(mapping, from >> PAGE_SHIFT, FGP_LOCK | FGP_ACCESSED | FGP_CREAT, mapping_gfp_constraint(mapping, ~__GFP_FS)); - if (!folio) - return -ENOMEM; + if (IS_ERR(folio)) + return PTR_ERR(folio); blocksize = inode->i_sb->s_blocksize; @@ -5201,7 +5201,7 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) while (1) { struct folio *folio = filemap_lock_folio(inode->i_mapping, inode->i_size >> PAGE_SHIFT); - if (!folio) + if (IS_ERR(folio)) return; ret = __ext4_journalled_invalidate_folio(folio, offset, folio_size(folio) - offset); diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index e509c22a21ed..b5af2fc03b2f 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -140,18 +140,18 @@ mext_folio_double_lock(struct inode *inode1, struct inode *inode2, flags = memalloc_nofs_save(); folio[0] = __filemap_get_folio(mapping[0], index1, FGP_WRITEBEGIN, mapping_gfp_mask(mapping[0])); - if (!folio[0]) { + if (IS_ERR(folio[0])) { memalloc_nofs_restore(flags); - return -ENOMEM; + return PTR_ERR(folio[0]); } folio[1] = __filemap_get_folio(mapping[1], index2, FGP_WRITEBEGIN, mapping_gfp_mask(mapping[1])); memalloc_nofs_restore(flags); - if (!folio[1]) { + if (IS_ERR(folio[1])) { folio_unlock(folio[0]); folio_put(folio[0]); - return -ENOMEM; + return PTR_ERR(folio[1]); } /* * __filemap_get_folio() may not wait on folio's writeback if diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c index 3b01247066dd..2f37e1ea3955 100644 --- a/fs/ext4/verity.c +++ b/fs/ext4/verity.c @@ -366,14 +366,16 @@ static struct page *ext4_read_merkle_tree_page(struct inode *inode, index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT; folio = __filemap_get_folio(inode->i_mapping, index, FGP_ACCESSED, 0); - if (!folio || !folio_test_uptodate(folio)) { + if (IS_ERR(folio) || !folio_test_uptodate(folio)) { DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, index); - if (folio) + if (!IS_ERR(folio)) folio_put(folio); else if (num_ra_pages > 1) page_cache_ra_unbounded(&ractl, num_ra_pages, 0); folio = read_mapping_folio(inode->i_mapping, index, NULL); + if (IS_ERR(folio)) + return ERR_CAST(folio); } return folio_file_page(folio, index); } |