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charset="utf-8" Expand the inline data read & fiemap to support inline tail. Signed-off-by: Wu Bo --- fs/f2fs/data.c | 31 ++++++++++++++++++++++++++++++- fs/f2fs/inline.c | 26 ++++++++++++-------------- 2 files changed, 42 insertions(+), 15 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 2481da74c13d..1a239f4f82e8 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1920,9 +1920,11 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_e= xtent_info *fieinfo, u64 logical =3D 0, phys =3D 0, size =3D 0; u32 flags =3D 0; int ret =3D 0; - bool compr_cluster =3D false, compr_appended; + bool compr_cluster =3D false, compr_appended, inline_tail =3D false; unsigned int cluster_size =3D F2FS_I(inode)->i_cluster_size; unsigned int count_in_cluster =3D 0; + loff_t i_size =3D i_size_read(inode); + pgoff_t end_index =3D i_size >> PAGE_SHIFT; loff_t maxbytes; =20 if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { @@ -1981,6 +1983,16 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_e= xtent_info *fieinfo, =20 /* HOLE */ if (!compr_cluster && !(map.m_flags & F2FS_MAP_FLAGS)) { + /* + * There is a reserved space between address array and inline + * data. So it must meet this hole state before inline data. + */ + if (f2fs_has_inline_tail(inode) && start_blk =3D=3D end_index + && f2fs_exist_data(inode)) { + inline_tail =3D true; + goto fill_extent; + } + start_blk =3D next_pgofs; =20 if (blks_to_bytes(inode, start_blk) < blks_to_bytes(inode, @@ -1998,6 +2010,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_ex= tent_info *fieinfo, goto skip_fill; } =20 +fill_extent: if (size) { flags |=3D FIEMAP_EXTENT_MERGED; if (IS_ENCRYPTED(inode)) @@ -2011,6 +2024,13 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_e= xtent_info *fieinfo, size =3D 0; } =20 + if (inline_tail) { + start =3D blks_to_bytes(inode, start_blk); + ret =3D f2fs_inline_data_fiemap(inode, fieinfo, start, len); + if (ret !=3D -EAGAIN) + goto out; + } + if (start_blk > last_blk) goto out; =20 @@ -2370,6 +2390,8 @@ static int f2fs_mpage_readpages(struct inode *inode, #endif unsigned nr_pages =3D rac ? readahead_count(rac) : 1; unsigned max_nr_pages =3D nr_pages; + loff_t i_size =3D i_size_read(inode); + pgoff_t end_index =3D i_size >> PAGE_SHIFT; pgoff_t index; int ret =3D 0; =20 @@ -2390,6 +2412,12 @@ static int f2fs_mpage_readpages(struct inode *inode, =20 index =3D folio_index(folio); =20 + if (f2fs_has_inline_tail(inode) && index =3D=3D end_index && + f2fs_exist_data(inode)) { + ret =3D f2fs_read_inline_data(inode, folio); + goto out; + } + #ifdef CONFIG_F2FS_FS_COMPRESSION if (!f2fs_compressed_file(inode)) goto read_single_page; @@ -2455,6 +2483,7 @@ static int f2fs_mpage_readpages(struct inode *inode, } #endif } +out: if (bio) f2fs_submit_read_bio(F2FS_I_SB(inode), bio, DATA); return ret; diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 8c1636c1ff2f..e4f72291713f 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -68,8 +68,6 @@ void f2fs_do_read_inline_data(struct folio *folio, struct= page *ipage) if (folio_test_uptodate(folio)) return; =20 - f2fs_bug_on(F2FS_I_SB(inode), folio_index(folio)); - folio_zero_segment(folio, MAX_INLINE_DATA(inode), folio_size(folio)); =20 /* Copy the whole inline data block */ @@ -108,15 +106,12 @@ int f2fs_read_inline_data(struct inode *inode, struct= folio *folio) return PTR_ERR(ipage); } =20 - if (!f2fs_has_inline_data(inode)) { + if (!f2fs_has_inline_data(inode) && !f2fs_has_inline_tail(inode)) { f2fs_put_page(ipage, 1); return -EAGAIN; } =20 - if (folio_index(folio)) - folio_zero_segment(folio, 0, folio_size(folio)); - else - f2fs_do_read_inline_data(folio, ipage); + f2fs_do_read_inline_data(folio, ipage); =20 if (!folio_test_uptodate(folio)) folio_mark_uptodate(folio); @@ -794,7 +789,7 @@ int f2fs_read_inline_dir(struct file *file, struct dir_= context *ctx, int f2fs_inline_data_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, __u64 start, __u64 len) { - __u64 byteaddr, ilen; + __u64 byteaddr, ilen, offset; __u32 flags =3D FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED | FIEMAP_EXTENT_LAST; struct node_info ni; @@ -806,7 +801,8 @@ int f2fs_inline_data_fiemap(struct inode *inode, return PTR_ERR(ipage); =20 if ((S_ISREG(inode->i_mode) || S_ISLNK(inode->i_mode)) && - !f2fs_has_inline_data(inode)) { + !f2fs_has_inline_data(inode) && + !f2fs_has_inline_tail(inode)) { err =3D -EAGAIN; goto out; } @@ -816,12 +812,14 @@ int f2fs_inline_data_fiemap(struct inode *inode, goto out; } =20 - ilen =3D min_t(size_t, MAX_INLINE_DATA(inode), i_size_read(inode)); - if (start >=3D ilen) + ilen =3D min_t(size_t, MAX_INLINE_DATA(inode), + i_size_read(inode) & (PAGE_SIZE - 1)); + offset =3D start & (PAGE_SIZE - 1); + if (offset >=3D ilen) goto out; - if (start + len < ilen) - ilen =3D start + len; - ilen -=3D start; + if (offset + len < ilen) + ilen =3D offset + len; + ilen -=3D offset; =20 err =3D f2fs_get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni, false); if (err) --=20 2.35.3