From d3fb612076eebec6f67257db0c7a9666ac7e5892 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 23 Jul 2011 18:37:50 -0400
Subject: switch posix_acl_create() to umode_t *
so we can pass &inode->i_mode to it
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/9p/vfs_inode_dotl.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
(limited to 'fs/9p/vfs_inode_dotl.c')
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 9a26dce5a99..b6c8ed20519 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -206,7 +206,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
int err = 0;
gid_t gid;
int flags;
- mode_t mode;
+ umode_t mode;
char *name = NULL;
struct file *filp;
struct p9_qid qid;
@@ -348,7 +348,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
struct p9_fid *fid = NULL, *dfid = NULL;
gid_t gid;
char *name;
- mode_t mode;
+ umode_t mode;
struct inode *inode;
struct p9_qid qid;
struct dentry *dir_dentry;
@@ -751,7 +751,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
int err;
gid_t gid;
char *name;
- mode_t mode;
+ umode_t mode;
struct v9fs_session_info *v9ses;
struct p9_fid *fid = NULL, *dfid = NULL;
struct inode *inode;
--
cgit v1.2.3-70-g09d2
From 5441ae5eb3614d3c28f77073370738a2820c88e4 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Mon, 25 Jul 2011 18:06:32 +0000
Subject: fs/9p: Add fid before dentry instantiation
d_instantiate marks the dentry positive. So a parallel lookup and mkdir of
the directory can find dentry that doesn't have fid attached. This can result
in both the code path doing v9fs_fid_add which results in v9fs_dentry leak.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
fs/9p/vfs_inode.c | 4 +---
fs/9p/vfs_inode_dotl.c | 8 ++++----
2 files changed, 5 insertions(+), 7 deletions(-)
(limited to 'fs/9p/vfs_inode_dotl.c')
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 8bb5507e822..43dd540663a 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -645,13 +645,11 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
goto error;
}
- d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
-
+ d_instantiate(dentry, inode);
return ofid;
-
error:
if (ofid)
p9_client_clunk(ofid);
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index b6c8ed20519..0ca224c8bb6 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -281,10 +281,10 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
goto error;
}
- d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
+ d_instantiate(dentry, inode);
/* Now set the ACL based on the default value */
v9fs_set_create_acl(dentry, &dacl, &pacl);
@@ -403,10 +403,10 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
err);
goto error;
}
- d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
+ d_instantiate(dentry, inode);
fid = NULL;
} else {
/*
@@ -657,10 +657,10 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
err);
goto error;
}
- d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
+ d_instantiate(dentry, inode);
fid = NULL;
} else {
/* Not in cached mode. No need to populate inode with stat */
@@ -810,10 +810,10 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
err);
goto error;
}
- d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
+ d_instantiate(dentry, inode);
fid = NULL;
} else {
/*
--
cgit v1.2.3-70-g09d2
From 45089142b1497dab2327d60f6c71c40766fc3ea4 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Mon, 25 Jul 2011 18:06:33 +0000
Subject: fs/9p: Don't update file type when updating file attributes
We should only update attributes that we can change on stat2inode.
Also do file type initialization in v9fs_init_inode.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
fs/9p/v9fs_vfs.h | 4 +--
fs/9p/vfs_inode.c | 91 +++++++++++++++++++++++++++-----------------------
fs/9p/vfs_inode_dotl.c | 23 ++++++++-----
fs/9p/vfs_super.c | 2 +-
4 files changed, 68 insertions(+), 52 deletions(-)
(limited to 'fs/9p/vfs_inode_dotl.c')
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 46ce357ca1a..7ac1faec2bd 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -54,9 +54,9 @@ extern struct kmem_cache *v9fs_inode_cache;
struct inode *v9fs_alloc_inode(struct super_block *sb);
void v9fs_destroy_inode(struct inode *inode);
-struct inode *v9fs_get_inode(struct super_block *sb, int mode);
+struct inode *v9fs_get_inode(struct super_block *sb, int mode, dev_t);
int v9fs_init_inode(struct v9fs_session_info *v9ses,
- struct inode *inode, int mode);
+ struct inode *inode, int mode, dev_t);
void v9fs_evict_inode(struct inode *inode);
ino_t v9fs_qid2ino(struct p9_qid *qid);
void v9fs_stat2inode(struct p9_wstat *, struct inode *, struct super_block *);
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 43dd540663a..3563cace0a2 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -95,15 +95,18 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode)
/**
* p9mode2unixmode- convert plan9 mode bits to unix mode bits
* @v9ses: v9fs session information
- * @mode: mode to convert
+ * @stat: p9_wstat from which mode need to be derived
+ * @rdev: major number, minor number in case of device files.
*
*/
-
-static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
+static int p9mode2unixmode(struct v9fs_session_info *v9ses,
+ struct p9_wstat *stat, dev_t *rdev)
{
int res;
+ int mode = stat->mode;
- res = mode & 0777;
+ res = mode & S_IALLUGO;
+ *rdev = 0;
if ((mode & P9_DMDIR) == P9_DMDIR)
res |= S_IFDIR;
@@ -116,9 +119,26 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
&& (v9ses->nodev == 0))
res |= S_IFIFO;
else if ((mode & P9_DMDEVICE) && (v9fs_proto_dotu(v9ses))
- && (v9ses->nodev == 0))
- res |= S_IFBLK;
- else
+ && (v9ses->nodev == 0)) {
+ char type = 0, ext[32];
+ int major = -1, minor = -1;
+
+ strncpy(ext, stat->extension, sizeof(ext));
+ sscanf(ext, "%c %u %u", &type, &major, &minor);
+ switch (type) {
+ case 'c':
+ res |= S_IFCHR;
+ break;
+ case 'b':
+ res |= S_IFBLK;
+ break;
+ default:
+ P9_DPRINTK(P9_DEBUG_ERROR,
+ "Unknown special type %c %s\n", type,
+ stat->extension);
+ };
+ *rdev = MKDEV(major, minor);
+ } else
res |= S_IFREG;
if (v9fs_proto_dotu(v9ses)) {
@@ -131,7 +151,6 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
if ((mode & P9_DMSETVTX) == P9_DMSETVTX)
res |= S_ISVTX;
}
-
return res;
}
@@ -242,13 +261,13 @@ void v9fs_destroy_inode(struct inode *inode)
}
int v9fs_init_inode(struct v9fs_session_info *v9ses,
- struct inode *inode, int mode)
+ struct inode *inode, int mode, dev_t rdev)
{
int err = 0;
inode_init_owner(inode, NULL, mode);
inode->i_blocks = 0;
- inode->i_rdev = 0;
+ inode->i_rdev = rdev;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->a_ops = &v9fs_addr_operations;
@@ -335,7 +354,7 @@ error:
*
*/
-struct inode *v9fs_get_inode(struct super_block *sb, int mode)
+struct inode *v9fs_get_inode(struct super_block *sb, int mode, dev_t rdev)
{
int err;
struct inode *inode;
@@ -348,7 +367,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
P9_EPRINTK(KERN_WARNING, "Problem allocating inode\n");
return ERR_PTR(-ENOMEM);
}
- err = v9fs_init_inode(v9ses, inode, mode);
+ err = v9fs_init_inode(v9ses, inode, mode, rdev);
if (err) {
iput(inode);
return ERR_PTR(err);
@@ -435,11 +454,12 @@ void v9fs_evict_inode(struct inode *inode)
static int v9fs_test_inode(struct inode *inode, void *data)
{
int umode;
+ dev_t rdev;
struct v9fs_inode *v9inode = V9FS_I(inode);
struct p9_wstat *st = (struct p9_wstat *)data;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
- umode = p9mode2unixmode(v9ses, st->mode);
+ umode = p9mode2unixmode(v9ses, st, &rdev);
/* don't match inode of different type */
if ((inode->i_mode & S_IFMT) != (umode & S_IFMT))
return 0;
@@ -473,6 +493,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb,
struct p9_wstat *st,
int new)
{
+ dev_t rdev;
int retval, umode;
unsigned long i_ino;
struct inode *inode;
@@ -496,8 +517,8 @@ static struct inode *v9fs_qid_iget(struct super_block *sb,
* later.
*/
inode->i_ino = i_ino;
- umode = p9mode2unixmode(v9ses, st->mode);
- retval = v9fs_init_inode(v9ses, inode, umode);
+ umode = p9mode2unixmode(v9ses, st, &rdev);
+ retval = v9fs_init_inode(v9ses, inode, umode, rdev);
if (retval)
goto error;
@@ -1000,7 +1021,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
return PTR_ERR(st);
v9fs_stat2inode(st, dentry->d_inode, dentry->d_inode->i_sb);
- generic_fillattr(dentry->d_inode, stat);
+ generic_fillattr(dentry->d_inode, stat);
p9stat_free(st);
kfree(st);
@@ -1084,6 +1105,7 @@ void
v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
struct super_block *sb)
{
+ mode_t mode;
char ext[32];
char tag_name[14];
unsigned int i_nlink;
@@ -1119,31 +1141,9 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
inode->i_nlink = i_nlink;
}
}
- inode->i_mode = p9mode2unixmode(v9ses, stat->mode);
- if ((S_ISBLK(inode->i_mode)) || (S_ISCHR(inode->i_mode))) {
- char type = 0;
- int major = -1;
- int minor = -1;
-
- strncpy(ext, stat->extension, sizeof(ext));
- sscanf(ext, "%c %u %u", &type, &major, &minor);
- switch (type) {
- case 'c':
- inode->i_mode &= ~S_IFBLK;
- inode->i_mode |= S_IFCHR;
- break;
- case 'b':
- break;
- default:
- P9_DPRINTK(P9_DEBUG_ERROR,
- "Unknown special type %c %s\n", type,
- stat->extension);
- };
- inode->i_rdev = MKDEV(major, minor);
- init_special_inode(inode, inode->i_mode, inode->i_rdev);
- } else
- inode->i_rdev = 0;
-
+ mode = stat->mode & S_IALLUGO;
+ mode |= inode->i_mode & ~S_IALLUGO;
+ inode->i_mode = mode;
i_size_write(inode, stat->length);
/* not real number of blocks, but 512 byte ones ... */
@@ -1409,6 +1409,8 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
{
+ int umode;
+ dev_t rdev;
loff_t i_size;
struct p9_wstat *st;
struct v9fs_session_info *v9ses;
@@ -1417,6 +1419,12 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
st = p9_client_stat(fid);
if (IS_ERR(st))
return PTR_ERR(st);
+ /*
+ * Don't update inode if the file type is different
+ */
+ umode = p9mode2unixmode(v9ses, st, &rdev);
+ if ((inode->i_mode & S_IFMT) != (umode & S_IFMT))
+ goto out;
spin_lock(&inode->i_lock);
/*
@@ -1428,6 +1436,7 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
if (v9ses->cache)
inode->i_size = i_size;
spin_unlock(&inode->i_lock);
+out:
p9stat_free(st);
kfree(st);
return 0;
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 0ca224c8bb6..a3f2540cc4b 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -153,7 +153,8 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb,
* later.
*/
inode->i_ino = i_ino;
- retval = v9fs_init_inode(v9ses, inode, st->st_mode);
+ retval = v9fs_init_inode(v9ses, inode,
+ st->st_mode, new_decode_dev(st->st_rdev));
if (retval)
goto error;
@@ -414,7 +415,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
* inode with stat. We need to get an inode
* so that we can set the acl with dentry
*/
- inode = v9fs_get_inode(dir->i_sb, mode);
+ inode = v9fs_get_inode(dir->i_sb, mode, 0);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
goto error;
@@ -540,6 +541,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
void
v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
{
+ mode_t mode;
struct v9fs_inode *v9inode = V9FS_I(inode);
if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) {
@@ -552,11 +554,10 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
inode->i_uid = stat->st_uid;
inode->i_gid = stat->st_gid;
inode->i_nlink = stat->st_nlink;
- inode->i_mode = stat->st_mode;
- inode->i_rdev = new_decode_dev(stat->st_rdev);
- if ((S_ISBLK(inode->i_mode)) || (S_ISCHR(inode->i_mode)))
- init_special_inode(inode, inode->i_mode, inode->i_rdev);
+ mode = stat->st_mode & S_IALLUGO;
+ mode |= inode->i_mode & ~S_IALLUGO;
+ inode->i_mode = mode;
i_size_write(inode, stat->st_size);
inode->i_blocks = stat->st_blocks;
@@ -664,7 +665,7 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
fid = NULL;
} else {
/* Not in cached mode. No need to populate inode with stat */
- inode = v9fs_get_inode(dir->i_sb, S_IFLNK);
+ inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
goto error;
@@ -820,7 +821,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
* Not in cached mode. No need to populate inode with stat.
* socket syscall returns a fd, so we need instantiate
*/
- inode = v9fs_get_inode(dir->i_sb, mode);
+ inode = v9fs_get_inode(dir->i_sb, mode, rdev);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
goto error;
@@ -886,6 +887,11 @@ int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
if (IS_ERR(st))
return PTR_ERR(st);
+ /*
+ * Don't update inode if the file type is different
+ */
+ if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT))
+ goto out;
spin_lock(&inode->i_lock);
/*
@@ -897,6 +903,7 @@ int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
if (v9ses->cache)
inode->i_size = i_size;
spin_unlock(&inode->i_lock);
+out:
kfree(st);
return 0;
}
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index feef6cdc1fd..c70251d47ed 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -149,7 +149,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
else
sb->s_d_op = &v9fs_dentry_operations;
- inode = v9fs_get_inode(sb, S_IFDIR | mode);
+ inode = v9fs_get_inode(sb, S_IFDIR | mode, 0);
if (IS_ERR(inode)) {
retval = PTR_ERR(inode);
goto release_sb;
--
cgit v1.2.3-70-g09d2
From f88657ce3f9713a0c62101dffb0e972a979e77b9 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed, 3 Aug 2011 19:55:32 +0530
Subject: fs/9p: Add OS dependent open flags in 9p protocol
Some of the flags are OS/arch dependent we add a 9p
protocol value which maps to asm-generic/fcntl.h values in Linux
Based on the original patch from Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/9p/v9fs_vfs.h | 2 ++
fs/9p/vfs_file.c | 2 +-
fs/9p/vfs_inode.c | 16 ++++++++++++++-
fs/9p/vfs_inode_dotl.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++-
include/net/9p/9p.h | 24 ++++++++++++++++++++++
5 files changed, 96 insertions(+), 3 deletions(-)
(limited to 'fs/9p/vfs_inode_dotl.c')
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 7ac1faec2bd..410ffd6ceb5 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -83,4 +83,6 @@ static inline void v9fs_invalidate_inode_attr(struct inode *inode)
v9inode->cache_validity |= V9FS_INO_INVALID_ATTR;
return;
}
+
+int v9fs_open_to_dotl_flags(int flags);
#endif
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3c173fcc2c5..c2f10758312 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -65,7 +65,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
v9inode = V9FS_I(inode);
v9ses = v9fs_inode2v9ses(inode);
if (v9fs_proto_dotl(v9ses))
- omode = file->f_flags;
+ omode = v9fs_open_to_dotl_flags(file->f_flags);
else
omode = v9fs_uflags2omode(file->f_flags,
v9fs_proto_dotu(v9ses));
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 3563cace0a2..9e3ea6ce695 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -552,6 +552,19 @@ v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
return inode;
}
+/**
+ * v9fs_at_to_dotl_flags- convert Linux specific AT flags to
+ * plan 9 AT flag.
+ * @flags: flags to convert
+ */
+static int v9fs_at_to_dotl_flags(int flags)
+{
+ int rflags = 0;
+ if (flags & AT_REMOVEDIR)
+ rflags |= P9_DOTL_AT_REMOVEDIR;
+ return rflags;
+}
+
/**
* v9fs_remove - helper function to remove files and directories
* @dir: directory inode that is being deleted
@@ -579,7 +592,8 @@ static int v9fs_remove(struct inode *dir, struct dentry *dentry, int flags)
return retval;
}
if (v9fs_proto_dotl(v9ses))
- retval = p9_client_unlinkat(dfid, dentry->d_name.name, flags);
+ retval = p9_client_unlinkat(dfid, dentry->d_name.name,
+ v9fs_at_to_dotl_flags(flags));
if (retval == -EOPNOTSUPP) {
/* Try the one based on path */
v9fid = v9fs_fid_clone(dentry);
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index a3f2540cc4b..aded79fcd5c 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -191,6 +191,58 @@ v9fs_inode_from_fid_dotl(struct v9fs_session_info *v9ses, struct p9_fid *fid,
return inode;
}
+struct dotl_openflag_map {
+ int open_flag;
+ int dotl_flag;
+};
+
+static int v9fs_mapped_dotl_flags(int flags)
+{
+ int i;
+ int rflags = 0;
+ struct dotl_openflag_map dotl_oflag_map[] = {
+ { O_CREAT, P9_DOTL_CREATE },
+ { O_EXCL, P9_DOTL_EXCL },
+ { O_NOCTTY, P9_DOTL_NOCTTY },
+ { O_TRUNC, P9_DOTL_TRUNC },
+ { O_APPEND, P9_DOTL_APPEND },
+ { O_NONBLOCK, P9_DOTL_NONBLOCK },
+ { O_DSYNC, P9_DOTL_DSYNC },
+ { FASYNC, P9_DOTL_FASYNC },
+ { O_DIRECT, P9_DOTL_DIRECT },
+ { O_LARGEFILE, P9_DOTL_LARGEFILE },
+ { O_DIRECTORY, P9_DOTL_DIRECTORY },
+ { O_NOFOLLOW, P9_DOTL_NOFOLLOW },
+ { O_NOATIME, P9_DOTL_NOATIME },
+ { O_CLOEXEC, P9_DOTL_CLOEXEC },
+ { O_SYNC, P9_DOTL_SYNC},
+ };
+ for (i = 0; i < ARRAY_SIZE(dotl_oflag_map); i++) {
+ if (flags & dotl_oflag_map[i].open_flag)
+ rflags |= dotl_oflag_map[i].dotl_flag;
+ }
+ return rflags;
+}
+
+/**
+ * v9fs_open_to_dotl_flags- convert Linux specific open flags to
+ * plan 9 open flag.
+ * @flags: flags to convert
+ */
+int v9fs_open_to_dotl_flags(int flags)
+{
+ int rflags = 0;
+
+ /*
+ * We have same bits for P9_DOTL_READONLY, P9_DOTL_WRONLY
+ * and P9_DOTL_NOACCESS
+ */
+ rflags |= flags & O_ACCMODE;
+ rflags |= v9fs_mapped_dotl_flags(flags);
+
+ return rflags;
+}
+
/**
* v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol.
* @dir: directory inode that is being created
@@ -259,7 +311,8 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
"Failed to get acl values in creat %d\n", err);
goto error;
}
- err = p9_client_create_dotl(ofid, name, flags, mode, gid, &qid);
+ err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags),
+ mode, gid, &qid);
if (err < 0) {
P9_DPRINTK(P9_DEBUG_VFS,
"p9_client_open_dotl failed in creat %d\n",
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 342dcf13d03..957ab99897a 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -288,6 +288,30 @@ enum p9_perm_t {
P9_DMSETVTX = 0x00010000,
};
+/* 9p2000.L open flags */
+#define P9_DOTL_RDONLY 00000000
+#define P9_DOTL_WRONLY 00000001
+#define P9_DOTL_RDWR 00000002
+#define P9_DOTL_NOACCESS 00000003
+#define P9_DOTL_CREATE 00000100
+#define P9_DOTL_EXCL 00000200
+#define P9_DOTL_NOCTTY 00000400
+#define P9_DOTL_TRUNC 00001000
+#define P9_DOTL_APPEND 00002000
+#define P9_DOTL_NONBLOCK 00004000
+#define P9_DOTL_DSYNC 00010000
+#define P9_DOTL_FASYNC 00020000
+#define P9_DOTL_DIRECT 00040000
+#define P9_DOTL_LARGEFILE 00100000
+#define P9_DOTL_DIRECTORY 00200000
+#define P9_DOTL_NOFOLLOW 00400000
+#define P9_DOTL_NOATIME 01000000
+#define P9_DOTL_CLOEXEC 02000000
+#define P9_DOTL_SYNC 04000000
+
+/* 9p2000.L at flags */
+#define P9_DOTL_AT_REMOVEDIR 0x200
+
/**
* enum p9_qid_t - QID types
* @P9_QTDIR: directory
--
cgit v1.2.3-70-g09d2