From 0b956de1512e23329aa27f60fe4a8b3e6afc7d6a Mon Sep 17 00:00:00 2001 From: Ritesh Harjani Date: Mon, 15 May 2023 16:10:40 +0530 Subject: ext4: kill unused function ext4_journalled_write_inline_data Commit 3f079114bf522 ("ext4: Convert data=journal writeback to use ext4_writepages()") Added support for writeback of journalled data into ext4_writepages() and killed function __ext4_journalled_writepage() which used to call ext4_journalled_write_inline_data() for inline data. This function got left over by mistake. Hence kill it's definition as no one uses it. Reviewed-by: Matthew Wilcox (Oracle) Signed-off-by: Ritesh Harjani (IBM) Link: https://lore.kernel.org/r/122b2a8d5e0650686f23ed6da26ed9e04105562b.1684122756.git.ritesh.list@gmail.com Signed-off-by: Theodore Ts'o --- fs/ext4/inline.c | 24 ------------------------ 1 file changed, 24 deletions(-) (limited to 'fs/ext4/inline.c') diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 5854bd5a3352..c0b2dc6514b2 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -823,30 +823,6 @@ out: return ret ? ret : copied; } -struct buffer_head * -ext4_journalled_write_inline_data(struct inode *inode, - unsigned len, - struct page *page) -{ - int ret, no_expand; - void *kaddr; - struct ext4_iloc iloc; - - ret = ext4_get_inode_loc(inode, &iloc); - if (ret) { - ext4_std_error(inode->i_sb, ret); - return NULL; - } - - ext4_write_lock_xattr(inode, &no_expand); - kaddr = kmap_atomic(page); - ext4_write_inline_data(inode, &iloc, kaddr, 0, len); - kunmap_atomic(kaddr); - ext4_write_unlock_xattr(inode, &no_expand); - - return iloc.bh; -} - /* * Try to make the page cache and handle ready for the inline data case. * We can call this function in 2 cases: -- cgit v1.2.3 From d19500da4b8cfe1791e1583ab237c3213e1bd39c Mon Sep 17 00:00:00 2001 From: Ritesh Harjani Date: Mon, 15 May 2023 16:10:44 +0530 Subject: ext4: Make ext4_write_inline_data_end() use folio ext4_write_inline_data_end() is completely converted to work with folio. Also all callers of ext4_write_inline_data_end() already works on folio except ext4_da_write_end(). Mostly for consistency and saving few instructions maybe, this patch just converts ext4_da_write_end() to work with folio which makes the last caller of ext4_write_inline_data_end() also converted to work with folio. We then make ext4_write_inline_data_end() take folio instead of page. Reviewed-by: Matthew Wilcox (Oracle) Signed-off-by: Ritesh Harjani (IBM) Link: https://lore.kernel.org/r/1bcea771720ff451a5a59b3f1bcd5fae51cb7ce7.1684122756.git.ritesh.list@gmail.com Signed-off-by: Theodore Ts'o --- fs/ext4/ext4.h | 6 ++---- fs/ext4/inline.c | 3 +-- fs/ext4/inode.c | 23 ++++++++++++++--------- 3 files changed, 17 insertions(+), 15 deletions(-) (limited to 'fs/ext4/inline.c') diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 15abcbe988ec..ec9cd6252185 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3480,10 +3480,8 @@ extern int ext4_try_to_write_inline_data(struct address_space *mapping, struct inode *inode, loff_t pos, unsigned len, struct page **pagep); -extern int ext4_write_inline_data_end(struct inode *inode, - loff_t pos, unsigned len, - unsigned copied, - struct page *page); +int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len, + unsigned copied, struct folio *folio); extern int ext4_da_write_inline_data_begin(struct address_space *mapping, struct inode *inode, loff_t pos, unsigned len, diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index c0b2dc6514b2..f48183f91c87 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -741,9 +741,8 @@ convert: } int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len, - unsigned copied, struct page *page) + unsigned copied, struct folio *folio) { - struct folio *folio = page_folio(page); handle_t *handle = ext4_journal_current_handle(); int no_expand; void *kaddr; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 0ff4624178cd..c2868282ad81 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1287,7 +1287,8 @@ static int ext4_write_end(struct file *file, if (ext4_has_inline_data(inode) && ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) - return ext4_write_inline_data_end(inode, pos, len, copied, page); + return ext4_write_inline_data_end(inode, pos, len, copied, + folio); copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); /* @@ -1395,7 +1396,8 @@ static int ext4_journalled_write_end(struct file *file, BUG_ON(!ext4_handle_valid(handle)); if (ext4_has_inline_data(inode)) - return ext4_write_inline_data_end(inode, pos, len, copied, page); + return ext4_write_inline_data_end(inode, pos, len, copied, + folio); if (unlikely(copied < len) && !folio_test_uptodate(folio)) { copied = 0; @@ -2942,15 +2944,15 @@ retry: * Check if we should update i_disksize * when write to the end of file but not require block allocation */ -static int ext4_da_should_update_i_disksize(struct page *page, +static int ext4_da_should_update_i_disksize(struct folio *folio, unsigned long offset) { struct buffer_head *bh; - struct inode *inode = page->mapping->host; + struct inode *inode = folio->mapping->host; unsigned int idx; int i; - bh = page_buffers(page); + bh = folio_buffers(folio); idx = offset >> inode->i_blkbits; for (i = 0; i < idx; i++) @@ -2970,17 +2972,19 @@ static int ext4_da_write_end(struct file *file, loff_t new_i_size; unsigned long start, end; int write_mode = (int)(unsigned long)fsdata; + struct folio *folio = page_folio(page); if (write_mode == FALL_BACK_TO_NONDELALLOC) return ext4_write_end(file, mapping, pos, - len, copied, page, fsdata); + len, copied, &folio->page, fsdata); trace_ext4_da_write_end(inode, pos, len, copied); if (write_mode != CONVERT_INLINE_DATA && ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA) && ext4_has_inline_data(inode)) - return ext4_write_inline_data_end(inode, pos, len, copied, page); + return ext4_write_inline_data_end(inode, pos, len, copied, + folio); if (unlikely(copied < len) && !PageUptodate(page)) copied = 0; @@ -3004,10 +3008,11 @@ static int ext4_da_write_end(struct file *file, */ new_i_size = pos + copied; if (copied && new_i_size > inode->i_size && - ext4_da_should_update_i_disksize(page, end)) + ext4_da_should_update_i_disksize(folio, end)) ext4_update_i_disksize(inode, new_i_size); - return generic_write_end(file, mapping, pos, len, copied, page, fsdata); + return generic_write_end(file, mapping, pos, len, copied, &folio->page, + fsdata); } /* -- cgit v1.2.3 From ed5d285b3f2a9a37ff778c5e440daf49351fcc4d Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Mon, 24 Apr 2023 11:38:43 +0800 Subject: ext4: make ext4_es_remove_extent() return void Now ext4_es_remove_extent() never fails, so make it return void. Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20230424033846.4732-10-libaokun1@huawei.com Signed-off-by: Theodore Ts'o --- fs/ext4/extents.c | 34 ++++++---------------------------- fs/ext4/extents_status.c | 12 ++++++------ fs/ext4/extents_status.h | 4 ++-- fs/ext4/inline.c | 12 ++---------- fs/ext4/inode.c | 8 ++------ 5 files changed, 18 insertions(+), 52 deletions(-) (limited to 'fs/ext4/inline.c') diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 35703dce23a3..8b87d5f1f741 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4403,15 +4403,8 @@ int ext4_ext_truncate(handle_t *handle, struct inode *inode) last_block = (inode->i_size + sb->s_blocksize - 1) >> EXT4_BLOCK_SIZE_BITS(sb); -retry: - err = ext4_es_remove_extent(inode, last_block, - EXT_MAX_BLOCKS - last_block); - if (err == -ENOMEM) { - memalloc_retry_wait(GFP_ATOMIC); - goto retry; - } - if (err) - return err; + ext4_es_remove_extent(inode, last_block, EXT_MAX_BLOCKS - last_block); + retry_remove_space: err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1); if (err == -ENOMEM) { @@ -5363,13 +5356,7 @@ static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len) down_write(&EXT4_I(inode)->i_data_sem); ext4_discard_preallocations(inode, 0); - - ret = ext4_es_remove_extent(inode, punch_start, - EXT_MAX_BLOCKS - punch_start); - if (ret) { - up_write(&EXT4_I(inode)->i_data_sem); - goto out_stop; - } + ext4_es_remove_extent(inode, punch_start, EXT_MAX_BLOCKS - punch_start); ret = ext4_ext_remove_space(inode, punch_start, punch_stop - 1); if (ret) { @@ -5547,12 +5534,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len) ext4_free_ext_path(path); } - ret = ext4_es_remove_extent(inode, offset_lblk, - EXT_MAX_BLOCKS - offset_lblk); - if (ret) { - up_write(&EXT4_I(inode)->i_data_sem); - goto out_stop; - } + ext4_es_remove_extent(inode, offset_lblk, EXT_MAX_BLOCKS - offset_lblk); /* * if offset_lblk lies in a hole which is at start of file, use @@ -5610,12 +5592,8 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1, BUG_ON(!inode_is_locked(inode1)); BUG_ON(!inode_is_locked(inode2)); - *erp = ext4_es_remove_extent(inode1, lblk1, count); - if (unlikely(*erp)) - return 0; - *erp = ext4_es_remove_extent(inode2, lblk2, count); - if (unlikely(*erp)) - return 0; + ext4_es_remove_extent(inode1, lblk1, count); + ext4_es_remove_extent(inode2, lblk2, count); while (count) { struct ext4_extent *ex1, *ex2, tmp_ex; diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 807ccc3107ec..b01b3bdab77d 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -1460,10 +1460,10 @@ out: * @len - number of blocks to remove * * Reduces block/cluster reservation count and for bigalloc cancels pending - * reservations as needed. Returns 0 on success, error code on failure. + * reservations as needed. */ -int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, - ext4_lblk_t len) +void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, + ext4_lblk_t len) { ext4_lblk_t end; int err = 0; @@ -1471,14 +1471,14 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, struct extent_status *es = NULL; if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) - return 0; + return; trace_ext4_es_remove_extent(inode, lblk, len); es_debug("remove [%u/%u) from extent status tree of inode %lu\n", lblk, len, inode->i_ino); if (!len) - return err; + return; end = lblk + len - 1; BUG_ON(end < lblk); @@ -1501,7 +1501,7 @@ retry: ext4_es_print_tree(inode); ext4_da_release_space(inode, reserved); - return 0; + return; } static int __es_shrink(struct ext4_sb_info *sbi, int nr_to_scan, diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h index 4ec30a798260..526a68890aa6 100644 --- a/fs/ext4/extents_status.h +++ b/fs/ext4/extents_status.h @@ -133,8 +133,8 @@ extern int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, extern void ext4_es_cache_extent(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t len, ext4_fsblk_t pblk, unsigned int status); -extern int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, - ext4_lblk_t len); +extern void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, + ext4_lblk_t len); extern void ext4_es_find_extent_range(struct inode *inode, int (*match_fn)(struct extent_status *es), ext4_lblk_t lblk, ext4_lblk_t end, diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index f48183f91c87..a4b7e4bc32d4 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1939,16 +1939,8 @@ int ext4_inline_data_truncate(struct inode *inode, int *has_inline) * the extent status cache must be cleared to avoid leaving * behind stale delayed allocated extent entries */ - if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { -retry: - err = ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS); - if (err == -ENOMEM) { - memalloc_retry_wait(GFP_ATOMIC); - goto retry; - } - if (err) - goto out_error; - } + if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) + ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS); /* Clear the content in the xattr space. */ if (inline_size > EXT4_MIN_INLINE_DATA_SIZE) { diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index ef7ec2690b84..519f5a065fdc 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3986,12 +3986,8 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length) down_write(&EXT4_I(inode)->i_data_sem); ext4_discard_preallocations(inode, 0); - ret = ext4_es_remove_extent(inode, first_block, - stop_block - first_block); - if (ret) { - up_write(&EXT4_I(inode)->i_data_sem); - goto out_stop; - } + ext4_es_remove_extent(inode, first_block, + stop_block - first_block); if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) ret = ext4_ext_remove_space(inode, first_block, -- cgit v1.2.3