From: Gao Xiang <gaoxiang25@huawei.com> To: Alexander Viro <viro@zeniv.linux.org.uk>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Andrew Morton <akpm@linux-foundation.org>, Stephen Rothwell <sfr@canb.auug.org.au>, Theodore Ts'o <tytso@mit.edu>, "David Sterba" <dsterba@suse.cz>, Amir Goldstein <amir73il@gmail.com>, Linus Torvalds <torvalds@linux-foundation.org> Cc: <linux-fsdevel@vger.kernel.org>, <devel@driverdev.osuosl.org>, LKML <linux-kernel@vger.kernel.org>, <linux-erofs@lists.ozlabs.org>, Chao Yu <yuchao0@huawei.com>, Miao Xie <miaoxie@huawei.com>, Li Guifu <bluce.liguifu@huawei.com>, Fang Wei <fangwei1@huawei.com>, Gao Xiang <gaoxiang25@huawei.com> Subject: [PATCH v4 06/24] erofs: support special inode Date: Thu, 25 Jul 2019 17:56:40 +0800 [thread overview] Message-ID: <20190725095658.155779-7-gaoxiang25@huawei.com> (raw) In-Reply-To: <20190725095658.155779-1-gaoxiang25@huawei.com> This patch adds to support special inode, such as block dev, char, socket, pipe inode. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> --- fs/erofs/inode.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index b6ea997bc4ae..637bf6e4de44 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -34,7 +34,16 @@ static int read_inode(struct inode *inode, void *data) vi->xattr_isize = ondisk_xattr_ibody_size(v2->i_xattr_icount); inode->i_mode = le16_to_cpu(v2->i_mode); - vi->raw_blkaddr = le32_to_cpu(v2->i_u.raw_blkaddr); + if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode)) + vi->raw_blkaddr = le32_to_cpu(v2->i_u.raw_blkaddr); + else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) + inode->i_rdev = + new_decode_dev(le32_to_cpu(v2->i_u.rdev)); + else if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) + inode->i_rdev = 0; + else + return -EIO; i_uid_write(inode, le32_to_cpu(v2->i_uid)); i_gid_write(inode, le32_to_cpu(v2->i_gid)); @@ -58,7 +67,16 @@ static int read_inode(struct inode *inode, void *data) vi->xattr_isize = ondisk_xattr_ibody_size(v1->i_xattr_icount); inode->i_mode = le16_to_cpu(v1->i_mode); - vi->raw_blkaddr = le32_to_cpu(v1->i_u.raw_blkaddr); + if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode)) + vi->raw_blkaddr = le32_to_cpu(v1->i_u.raw_blkaddr); + else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) + inode->i_rdev = + new_decode_dev(le32_to_cpu(v1->i_u.rdev)); + else if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) + inode->i_rdev = 0; + else + return -EIO; i_uid_write(inode, le16_to_cpu(v1->i_uid)); i_gid_write(inode, le16_to_cpu(v1->i_gid)); @@ -176,6 +194,11 @@ static int fill_inode(struct inode *inode, int isdir) /* by default, page_get_link is used for symlink */ inode->i_op = &erofs_symlink_iops; inode_nohighmem(inode); + } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || + S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { + inode->i_op = &erofs_generic_iops; + init_special_inode(inode, inode->i_mode, inode->i_rdev); + goto out_unlock; } else { err = -EIO; goto out_unlock; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: gaoxiang25@huawei.com (Gao Xiang) Subject: [PATCH v4 06/24] erofs: support special inode Date: Thu, 25 Jul 2019 17:56:40 +0800 [thread overview] Message-ID: <20190725095658.155779-7-gaoxiang25@huawei.com> (raw) In-Reply-To: <20190725095658.155779-1-gaoxiang25@huawei.com> This patch adds to support special inode, such as block dev, char, socket, pipe inode. Signed-off-by: Gao Xiang <gaoxiang25 at huawei.com> --- fs/erofs/inode.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index b6ea997bc4ae..637bf6e4de44 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -34,7 +34,16 @@ static int read_inode(struct inode *inode, void *data) vi->xattr_isize = ondisk_xattr_ibody_size(v2->i_xattr_icount); inode->i_mode = le16_to_cpu(v2->i_mode); - vi->raw_blkaddr = le32_to_cpu(v2->i_u.raw_blkaddr); + if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode)) + vi->raw_blkaddr = le32_to_cpu(v2->i_u.raw_blkaddr); + else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) + inode->i_rdev = + new_decode_dev(le32_to_cpu(v2->i_u.rdev)); + else if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) + inode->i_rdev = 0; + else + return -EIO; i_uid_write(inode, le32_to_cpu(v2->i_uid)); i_gid_write(inode, le32_to_cpu(v2->i_gid)); @@ -58,7 +67,16 @@ static int read_inode(struct inode *inode, void *data) vi->xattr_isize = ondisk_xattr_ibody_size(v1->i_xattr_icount); inode->i_mode = le16_to_cpu(v1->i_mode); - vi->raw_blkaddr = le32_to_cpu(v1->i_u.raw_blkaddr); + if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode)) + vi->raw_blkaddr = le32_to_cpu(v1->i_u.raw_blkaddr); + else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) + inode->i_rdev = + new_decode_dev(le32_to_cpu(v1->i_u.rdev)); + else if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) + inode->i_rdev = 0; + else + return -EIO; i_uid_write(inode, le16_to_cpu(v1->i_uid)); i_gid_write(inode, le16_to_cpu(v1->i_gid)); @@ -176,6 +194,11 @@ static int fill_inode(struct inode *inode, int isdir) /* by default, page_get_link is used for symlink */ inode->i_op = &erofs_symlink_iops; inode_nohighmem(inode); + } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || + S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { + inode->i_op = &erofs_generic_iops; + init_special_inode(inode, inode->i_mode, inode->i_rdev); + goto out_unlock; } else { err = -EIO; goto out_unlock; -- 2.17.1
next prev parent reply other threads:[~2019-07-25 9:59 UTC|newest] Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-25 9:56 [PATCH v4 00/24] erofs: promote erofs from staging Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 01/24] erofs: add on-disk layout Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 02/24] erofs: add erofs in-memory stuffs Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 03/24] erofs: add super block operations Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 04/24] erofs: add raw address_space operations Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 05/24] erofs: add inode operations Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` Gao Xiang [this message] 2019-07-25 9:56 ` [PATCH v4 06/24] erofs: support special inode Gao Xiang 2019-07-25 9:56 ` [PATCH v4 07/24] erofs: add directory operations Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 08/24] erofs: add namei functions Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 09/24] erofs: support tracepoint Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 10/24] erofs: update Kconfig and Makefile Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 11/24] erofs: introduce xattr & posixacl support Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 12/24] erofs: introduce tagged pointer Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 13/24] erofs: add compression indexes support Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 14/24] erofs: introduce superblock registration Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 15/24] erofs: introduce erofs shrinker Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 16/24] erofs: introduce workstation for decompression Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 17/24] erofs: introduce per-CPU buffers implementation Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 18/24] erofs: introduce pagevec for decompression subsystem Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 19/24] erofs: add erofs_allocpage() Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 20/24] erofs: introduce generic decompression backend Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 21/24] erofs: introduce LZ4 decompression inplace Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 22/24] erofs: introduce the decompression frontend Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 23/24] erofs: introduce cached decompression Gao Xiang 2019-07-25 9:56 ` Gao Xiang 2019-07-25 9:56 ` [PATCH v4 24/24] erofs: add document Gao Xiang 2019-07-25 9:56 ` Gao Xiang
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20190725095658.155779-7-gaoxiang25@huawei.com \ --to=gaoxiang25@huawei.com \ --cc=akpm@linux-foundation.org \ --cc=amir73il@gmail.com \ --cc=bluce.liguifu@huawei.com \ --cc=devel@driverdev.osuosl.org \ --cc=dsterba@suse.cz \ --cc=fangwei1@huawei.com \ --cc=gregkh@linuxfoundation.org \ --cc=linux-erofs@lists.ozlabs.org \ --cc=linux-fsdevel@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=miaoxie@huawei.com \ --cc=sfr@canb.auug.org.au \ --cc=torvalds@linux-foundation.org \ --cc=tytso@mit.edu \ --cc=viro@zeniv.linux.org.uk \ --cc=yuchao0@huawei.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.