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Tue, 25 Jun 2024 13:45:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pankajraghav.com; s=MBO0001; t=1719315905; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fyS4GVf4PvByyE0IUbrr3l1s3P7v70XANt/sXrYXYDk=; b=JUEjC0StwOgXBgGlDaXdgJYKqaINIckvwir1VzS6vaPsaIuGOoRoH4bIEBnAPSiFaBTsij Wg2CeEeSf29wU8MOtLW7DEWlkJx7/q2myVSyUGY5xc9IZvT+AKXe2l99KwhqW1jGBua1DY PO4ofn3aJAnp4NBPB0RiKD2wMATzgAVn0gOz1gYoxGohcI4Odo85hvIEI/JYspGsH/3XKh bgJrG01RH+pzSMq8l41ho4jHg0lItICn8DvmfnmldRRQAMKy7e/U573JD1xzBsoh4GFzkh Pii6SUSGTYeX37Tx0bkk7i3xlrnBQ5+9hkU5tj7xhJ8HJ/fGXAPpPx5/7kqEzA== From: "Pankaj Raghav (Samsung)" To: david@fromorbit.com, willy@infradead.org, chandan.babu@oracle.com, djwong@kernel.org, brauner@kernel.org, akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, yang@os.amperecomputing.com, linux-mm@kvack.org, john.g.garry@oracle.com, linux-fsdevel@vger.kernel.org, hare@suse.de, p.raghav@samsung.com, mcgrof@kernel.org, gost.dev@samsung.com, cl@os.amperecomputing.com, linux-xfs@vger.kernel.org, kernel@pankajraghav.com, hch@lst.de, Zi Yan Subject: [PATCH v8 10/10] xfs: enable block size larger than page size support Date: Tue, 25 Jun 2024 11:44:20 +0000 Message-ID: <20240625114420.719014-11-kernel@pankajraghav.com> In-Reply-To: <20240625114420.719014-1-kernel@pankajraghav.com> References: <20240625114420.719014-1-kernel@pankajraghav.com> MIME-Version: 1.0 X-Stat-Signature: zths9cxafau58sacqenso939m1rstms8 X-Rspamd-Queue-Id: 30A34C0002 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1719315907-96485 X-HE-Meta: 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 XhHwUBaR Fl4BQD5UUy1h6wu2EAF9FD3/QKG+J5+UCeEazgkkD1il31BptwrWqsgmgh2vzNguT/RL9x8Auyl3Ho3HaJiJ73HMzd8Hd3Kn+EAvNu4tElmHUmkQmosIIJMXf9ojgDGpV2ir+YUUVAn/yxU0767Xk+2ArSdgWInANTZAOuy0oDb4xSOv7JkQZvKDFNZgfVSlVBhM4yVTKzkh3ExIUT8yXmfzK4SoPE45AbxLCJwq5eVyDzqkGJN8BKvVb6g8Y7teLUDqsgC0tFZ8BP6LPI7IrnPEG3VctRhp+u4nf X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Pankaj Raghav Page cache now has the ability to have a minimum order when allocating a folio which is a prerequisite to add support for block size > page size. Reviewed-by: Darrick J. Wong Signed-off-by: Luis Chamberlain Signed-off-by: Pankaj Raghav Reviewed-by: Dave Chinner --- @hch and @Dave I have retained the min_folio_order to be in the inode struct as the discussion about moving this to xfs_mount is still open. fs/xfs/libxfs/xfs_ialloc.c | 5 +++++ fs/xfs/libxfs/xfs_shared.h | 3 +++ fs/xfs/xfs_icache.c | 6 ++++-- fs/xfs/xfs_mount.c | 1 - fs/xfs/xfs_super.c | 18 ++++++++++-------- 5 files changed, 22 insertions(+), 11 deletions(-) diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 14c81f227c5b..1e76431d75a4 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -3019,6 +3019,11 @@ xfs_ialloc_setup_geometry( igeo->ialloc_align = mp->m_dalign; else igeo->ialloc_align = 0; + + if (mp->m_sb.sb_blocksize > PAGE_SIZE) + igeo->min_folio_order = mp->m_sb.sb_blocklog - PAGE_SHIFT; + else + igeo->min_folio_order = 0; } /* Compute the location of the root directory inode that is laid out by mkfs. */ diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h index 34f104ed372c..e67a1c7cc0b0 100644 --- a/fs/xfs/libxfs/xfs_shared.h +++ b/fs/xfs/libxfs/xfs_shared.h @@ -231,6 +231,9 @@ struct xfs_ino_geometry { /* precomputed value for di_flags2 */ uint64_t new_diflags2; + /* minimum folio order of a page cache allocation */ + unsigned int min_folio_order; + }; #endif /* __XFS_SHARED_H__ */ diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 088ac200b026..e0f911f326e6 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -88,7 +88,8 @@ xfs_inode_alloc( /* VFS doesn't initialise i_mode! */ VFS_I(ip)->i_mode = 0; - mapping_set_large_folios(VFS_I(ip)->i_mapping); + mapping_set_folio_min_order(VFS_I(ip)->i_mapping, + M_IGEO(mp)->min_folio_order); XFS_STATS_INC(mp, vn_active); ASSERT(atomic_read(&ip->i_pincount) == 0); @@ -325,7 +326,8 @@ xfs_reinit_inode( inode->i_uid = uid; inode->i_gid = gid; inode->i_state = state; - mapping_set_large_folios(inode->i_mapping); + mapping_set_folio_min_order(inode->i_mapping, + M_IGEO(mp)->min_folio_order); return error; } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 3949f720b535..c6933440f806 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -134,7 +134,6 @@ xfs_sb_validate_fsb_count( { uint64_t max_bytes; - ASSERT(PAGE_SHIFT >= sbp->sb_blocklog); ASSERT(sbp->sb_blocklog >= BBSHIFT); if (check_shl_overflow(nblocks, sbp->sb_blocklog, &max_bytes)) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 27e9f749c4c7..b8a93a8f35ca 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1638,16 +1638,18 @@ xfs_fs_fill_super( goto out_free_sb; } - /* - * Until this is fixed only page-sized or smaller data blocks work. - */ if (mp->m_sb.sb_blocksize > PAGE_SIZE) { - xfs_warn(mp, - "File system with blocksize %d bytes. " - "Only pagesize (%ld) or less will currently work.", + if (!xfs_has_crc(mp)) { + xfs_warn(mp, +"V4 Filesystem with blocksize %d bytes. Only pagesize (%ld) or less is supported.", mp->m_sb.sb_blocksize, PAGE_SIZE); - error = -ENOSYS; - goto out_free_sb; + error = -ENOSYS; + goto out_free_sb; + } + + xfs_warn(mp, +"EXPERIMENTAL: V5 Filesystem with Large Block Size (%d bytes) enabled.", + mp->m_sb.sb_blocksize); } /* Ensure this filesystem fits in the page cache limits */