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-rw-r--r--fs/gfs2/acl.c16
-rw-r--r--fs/gfs2/file.c38
-rw-r--r--fs/gfs2/inode.c5
-rw-r--r--fs/gfs2/meta_io.c2
-rw-r--r--fs/gfs2/ops_inode.c6
-rw-r--r--fs/gfs2/sys.c16
-rw-r--r--fs/gfs2/xattr.c90
-rw-r--r--fs/gfs2/xattr.h7
8 files changed, 97 insertions, 83 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 3eb1ea8..87ee309 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -126,7 +126,7 @@ static int gfs2_acl_set(struct inode *inode, int type, struct posix_acl *acl)
error = posix_acl_to_xattr(acl, data, len);
if (error < 0)
goto out;
- error = gfs2_xattr_set(inode, GFS2_EATYPE_SYS, name, data, len, 0);
+ error = __gfs2_xattr_set(inode, name, data, len, 0, GFS2_EATYPE_SYS);
if (!error)
set_cached_acl(inode, type, acl);
out:
@@ -232,9 +232,10 @@ static int gfs2_acl_type(const char *name)
return -EINVAL;
}
-static int gfs2_xattr_system_get(struct inode *inode, const char *name,
- void *buffer, size_t size)
+static int gfs2_xattr_system_get(struct dentry *dentry, const char *name,
+ void *buffer, size_t size, int xtype)
{
+ struct inode *inode = dentry->d_inode;
struct posix_acl *acl;
int type;
int error;
@@ -255,9 +256,11 @@ static int gfs2_xattr_system_get(struct inode *inode, const char *name,
return error;
}
-static int gfs2_xattr_system_set(struct inode *inode, const char *name,
- const void *value, size_t size, int flags)
+static int gfs2_xattr_system_set(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags,
+ int xtype)
{
+ struct inode *inode = dentry->d_inode;
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct posix_acl *acl = NULL;
int error = 0, type;
@@ -319,7 +322,7 @@ static int gfs2_xattr_system_set(struct inode *inode, const char *name,
}
set_acl:
- error = gfs2_xattr_set(inode, GFS2_EATYPE_SYS, name, value, size, 0);
+ error = __gfs2_xattr_set(inode, name, value, size, 0, GFS2_EATYPE_SYS);
if (!error) {
if (acl)
set_cached_acl(inode, type, acl);
@@ -334,6 +337,7 @@ out:
struct xattr_handler gfs2_xattr_system_handler = {
.prefix = XATTR_SYSTEM_PREFIX,
+ .flags = GFS2_EATYPE_SYS,
.get = gfs2_xattr_system_get,
.set = gfs2_xattr_system_set,
};
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 4eb308a..a6abbae8 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -569,6 +569,40 @@ static int gfs2_fsync(struct file *file, struct dentry *dentry, int datasync)
return ret;
}
+/**
+ * gfs2_file_aio_write - Perform a write to a file
+ * @iocb: The io context
+ * @iov: The data to write
+ * @nr_segs: Number of @iov segments
+ * @pos: The file position
+ *
+ * We have to do a lock/unlock here to refresh the inode size for
+ * O_APPEND writes, otherwise we can land up writing at the wrong
+ * offset. There is still a race, but provided the app is using its
+ * own file locking, this will make O_APPEND work as expected.
+ *
+ */
+
+static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos)
+{
+ struct file *file = iocb->ki_filp;
+
+ if (file->f_flags & O_APPEND) {
+ struct dentry *dentry = file->f_dentry;
+ struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
+ struct gfs2_holder gh;
+ int ret;
+
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ if (ret)
+ return ret;
+ gfs2_glock_dq_uninit(&gh);
+ }
+
+ return generic_file_aio_write(iocb, iov, nr_segs, pos);
+}
+
#ifdef CONFIG_GFS2_FS_LOCKING_DLM
/**
@@ -711,7 +745,7 @@ const struct file_operations gfs2_file_fops = {
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.write = do_sync_write,
- .aio_write = generic_file_aio_write,
+ .aio_write = gfs2_file_aio_write,
.unlocked_ioctl = gfs2_ioctl,
.mmap = gfs2_mmap,
.open = gfs2_open,
@@ -741,7 +775,7 @@ const struct file_operations gfs2_file_fops_nolock = {
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.write = do_sync_write,
- .aio_write = generic_file_aio_write,
+ .aio_write = gfs2_file_aio_write,
.unlocked_ioctl = gfs2_ioctl,
.mmap = gfs2_mmap,
.open = gfs2_open,
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 26ba2a4..6e220f4 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -125,7 +125,7 @@ static struct inode *gfs2_iget_skip(struct super_block *sb,
* directory entry when gfs2_inode_lookup() is invoked. Part of the code
* segment inside gfs2_inode_lookup code needs to get moved around.
*
- * Clean up I_LOCK and I_NEW as well.
+ * Clears I_NEW as well.
**/
void gfs2_set_iop(struct inode *inode)
@@ -801,7 +801,8 @@ static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip)
return err;
}
- err = gfs2_xattr_set(&ip->i_inode, GFS2_EATYPE_SECURITY, name, value, len, 0);
+ err = __gfs2_xattr_set(&ip->i_inode, name, value, len, 0,
+ GFS2_EATYPE_SECURITY);
kfree(value);
kfree(name);
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index cb8d7a9..6f68a5f 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -121,7 +121,7 @@ struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp)
if (aspace) {
mapping_set_gfp_mask(aspace->i_mapping, GFP_NOFS);
aspace->i_mapping->a_ops = &aspace_aops;
- aspace->i_size = ~0ULL;
+ aspace->i_size = MAX_LFS_FILESIZE;
ip = GFS2_I(aspace);
clear_bit(GIF_USER, &ip->i_flags);
insert_inode_hash(aspace);
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 247436c..78f73ca 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -748,7 +748,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
struct gfs2_rgrpd *nrgd;
unsigned int num_gh;
int dir_rename = 0;
- int alloc_required;
+ int alloc_required = 0;
unsigned int x;
int error;
@@ -867,7 +867,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
}
- alloc_required = error = gfs2_diradd_alloc_required(ndir, &ndentry->d_name);
+ if (nip == NULL)
+ alloc_required = gfs2_diradd_alloc_required(ndir, &ndentry->d_name);
+ error = alloc_required;
if (error < 0)
goto out_gunlock;
error = 0;
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index c5dad1e..0dc3462 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -85,11 +85,7 @@ static ssize_t uuid_show(struct gfs2_sbd *sdp, char *buf)
buf[0] = '\0';
if (!gfs2_uuid_valid(uuid))
return 0;
- return snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X-%02X%02X-"
- "%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n",
- uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5],
- uuid[6], uuid[7], uuid[8], uuid[9], uuid[10], uuid[11],
- uuid[12], uuid[13], uuid[14], uuid[15]);
+ return snprintf(buf, PAGE_SIZE, "%pUB\n", uuid);
}
static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf)
@@ -575,14 +571,8 @@ static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
if (!sdp->sd_args.ar_spectator)
add_uevent_var(env, "JOURNALID=%u", sdp->sd_lockstruct.ls_jid);
- if (gfs2_uuid_valid(uuid)) {
- add_uevent_var(env, "UUID=%02X%02X%02X%02X-%02X%02X-%02X%02X-"
- "%02X%02X-%02X%02X%02X%02X%02X%02X",
- uuid[0], uuid[1], uuid[2], uuid[3], uuid[4],
- uuid[5], uuid[6], uuid[7], uuid[8], uuid[9],
- uuid[10], uuid[11], uuid[12], uuid[13],
- uuid[14], uuid[15]);
- }
+ if (gfs2_uuid_valid(uuid))
+ add_uevent_var(env, "UUID=%pUB", uuid);
return 0;
}
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index 912f5cb..c2ebdf2 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -567,18 +567,17 @@ out:
/**
* gfs2_xattr_get - Get a GFS2 extended attribute
* @inode: The inode
- * @type: The type of extended attribute
* @name: The name of the extended attribute
* @buffer: The buffer to write the result into
* @size: The size of the buffer
+ * @type: The type of extended attribute
*
* Returns: actual size of data on success, -errno on error
*/
-
-int gfs2_xattr_get(struct inode *inode, int type, const char *name,
- void *buffer, size_t size)
+static int gfs2_xattr_get(struct dentry *dentry, const char *name,
+ void *buffer, size_t size, int type)
{
- struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
struct gfs2_ea_location el;
int error;
@@ -1119,7 +1118,7 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
/**
* gfs2_xattr_remove - Remove a GFS2 extended attribute
- * @inode: The inode
+ * @ip: The inode
* @type: The type of the extended attribute
* @name: The name of the extended attribute
*
@@ -1130,9 +1129,8 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el)
* Returns: 0, or errno on failure
*/
-static int gfs2_xattr_remove(struct inode *inode, int type, const char *name)
+static int gfs2_xattr_remove(struct gfs2_inode *ip, int type, const char *name)
{
- struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_ea_location el;
int error;
@@ -1156,24 +1154,24 @@ static int gfs2_xattr_remove(struct inode *inode, int type, const char *name)
}
/**
- * gfs2_xattr_set - Set (or remove) a GFS2 extended attribute
- * @inode: The inode
- * @type: The type of the extended attribute
+ * __gfs2_xattr_set - Set (or remove) a GFS2 extended attribute
+ * @ip: The inode
* @name: The name of the extended attribute
* @value: The value of the extended attribute (NULL for remove)
* @size: The size of the @value argument
* @flags: Create or Replace
+ * @type: The type of the extended attribute
*
* See gfs2_xattr_remove() for details of the removal of xattrs.
*
* Returns: 0 or errno on failure
*/
-int gfs2_xattr_set(struct inode *inode, int type, const char *name,
- const void *value, size_t size, int flags)
+int __gfs2_xattr_set(struct inode *inode, const char *name,
+ const void *value, size_t size, int flags, int type)
{
- struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_ea_location el;
unsigned int namel = strlen(name);
int error;
@@ -1184,7 +1182,7 @@ int gfs2_xattr_set(struct inode *inode, int type, const char *name,
return -ERANGE;
if (value == NULL)
- return gfs2_xattr_remove(inode, type, name);
+ return gfs2_xattr_remove(ip, type, name);
if (ea_check_size(sdp, namel, size))
return -ERANGE;
@@ -1224,6 +1222,13 @@ int gfs2_xattr_set(struct inode *inode, int type, const char *name,
return error;
}
+static int gfs2_xattr_set(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags, int type)
+{
+ return __gfs2_xattr_set(dentry->d_inode, name, value,
+ size, flags, type);
+}
+
static int ea_acl_chmod_unstuffed(struct gfs2_inode *ip,
struct gfs2_ea_header *ea, char *data)
{
@@ -1291,6 +1296,7 @@ fail:
int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
{
+ struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_ea_location el;
struct buffer_head *dibh;
int error;
@@ -1300,16 +1306,17 @@ int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
return error;
if (GFS2_EA_IS_STUFFED(el.el_ea)) {
- error = gfs2_trans_begin(GFS2_SB(&ip->i_inode), RES_DINODE + RES_EATTR, 0);
- if (error)
- return error;
-
- gfs2_trans_add_bh(ip->i_gl, el.el_bh, 1);
- memcpy(GFS2_EA2DATA(el.el_ea), data,
- GFS2_EA_DATA_LEN(el.el_ea));
- } else
+ error = gfs2_trans_begin(sdp, RES_DINODE + RES_EATTR, 0);
+ if (error == 0) {
+ gfs2_trans_add_bh(ip->i_gl, el.el_bh, 1);
+ memcpy(GFS2_EA2DATA(el.el_ea), data,
+ GFS2_EA_DATA_LEN(el.el_ea));
+ }
+ } else {
error = ea_acl_chmod_unstuffed(ip, el.el_ea, data);
+ }
+ brelse(el.el_bh);
if (error)
return error;
@@ -1322,8 +1329,7 @@ int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
brelse(dibh);
}
- gfs2_trans_end(GFS2_SB(&ip->i_inode));
-
+ gfs2_trans_end(sdp);
return error;
}
@@ -1529,40 +1535,18 @@ out_alloc:
return error;
}
-static int gfs2_xattr_user_get(struct inode *inode, const char *name,
- void *buffer, size_t size)
-{
- return gfs2_xattr_get(inode, GFS2_EATYPE_USR, name, buffer, size);
-}
-
-static int gfs2_xattr_user_set(struct inode *inode, const char *name,
- const void *value, size_t size, int flags)
-{
- return gfs2_xattr_set(inode, GFS2_EATYPE_USR, name, value, size, flags);
-}
-
-static int gfs2_xattr_security_get(struct inode *inode, const char *name,
- void *buffer, size_t size)
-{
- return gfs2_xattr_get(inode, GFS2_EATYPE_SECURITY, name, buffer, size);
-}
-
-static int gfs2_xattr_security_set(struct inode *inode, const char *name,
- const void *value, size_t size, int flags)
-{
- return gfs2_xattr_set(inode, GFS2_EATYPE_SECURITY, name, value, size, flags);
-}
-
static struct xattr_handler gfs2_xattr_user_handler = {
.prefix = XATTR_USER_PREFIX,
- .get = gfs2_xattr_user_get,
- .set = gfs2_xattr_user_set,
+ .flags = GFS2_EATYPE_USR,
+ .get = gfs2_xattr_get,
+ .set = gfs2_xattr_set,
};
static struct xattr_handler gfs2_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
- .get = gfs2_xattr_security_get,
- .set = gfs2_xattr_security_set,
+ .flags = GFS2_EATYPE_SECURITY,
+ .get = gfs2_xattr_get,
+ .set = gfs2_xattr_set,
};
struct xattr_handler *gfs2_xattr_handlers[] = {
diff --git a/fs/gfs2/xattr.h b/fs/gfs2/xattr.h
index 8d6ae58..d392f83 100644
--- a/fs/gfs2/xattr.h
+++ b/fs/gfs2/xattr.h
@@ -53,10 +53,9 @@ struct gfs2_ea_location {
struct gfs2_ea_header *el_prev;
};
-extern int gfs2_xattr_get(struct inode *inode, int type, const char *name,
- void *buffer, size_t size);
-extern int gfs2_xattr_set(struct inode *inode, int type, const char *name,
- const void *value, size_t size, int flags);
+extern int __gfs2_xattr_set(struct inode *inode, const char *name,
+ const void *value, size_t size,
+ int flags, int type);
extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size);
extern int gfs2_ea_dealloc(struct gfs2_inode *ip);