diff options
Diffstat (limited to 'fs/orangefs/inode.c')
| -rw-r--r-- | fs/orangefs/inode.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index 5079cfafa8d7..85b3dd2d769d 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -11,6 +11,7 @@ */ #include <linux/bvec.h> +#include <linux/fileattr.h> #include "protocol.h" #include "orangefs-kernel.h" #include "orangefs-bufmap.h" @@ -954,6 +955,53 @@ int orangefs_update_time(struct inode *inode, struct timespec64 *time, int flags return __orangefs_setattr(inode, &iattr); } +static int orangefs_fileattr_get(struct dentry *dentry, struct fileattr *fa) +{ + u64 val = 0; + int ret; + + gossip_debug(GOSSIP_FILE_DEBUG, "%s: called on %pd\n", __func__, + dentry); + + ret = orangefs_inode_getxattr(d_inode(dentry), + "user.pvfs2.meta_hint", + &val, sizeof(val)); + if (ret < 0 && ret != -ENODATA) + return ret; + + gossip_debug(GOSSIP_FILE_DEBUG, "%s: flags=%u\n", __func__, (u32) val); + + fileattr_fill_flags(fa, val); + return 0; +} + +static int orangefs_fileattr_set(struct user_namespace *mnt_userns, + struct dentry *dentry, struct fileattr *fa) +{ + u64 val = 0; + + gossip_debug(GOSSIP_FILE_DEBUG, "%s: called on %pd\n", __func__, + dentry); + /* + * ORANGEFS_MIRROR_FL is set internally when the mirroring mode is + * turned on for a file. The user is not allowed to turn on this bit, + * but the bit is present if the user first gets the flags and then + * updates the flags with some new settings. So, we ignore it in the + * following edit. bligon. + */ + if (fileattr_has_fsx(fa) || + (fa->flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NOATIME_FL | ORANGEFS_MIRROR_FL))) { + gossip_err("%s: only supports setting one of FS_IMMUTABLE_FL|FS_APPEND_FL|FS_NOATIME_FL\n", + __func__); + return -EOPNOTSUPP; + } + val = fa->flags; + gossip_debug(GOSSIP_FILE_DEBUG, "%s: flags=%u\n", __func__, (u32) val); + return orangefs_inode_setxattr(d_inode(dentry), + "user.pvfs2.meta_hint", + &val, sizeof(val), 0); +} + /* ORANGEFS2 implementation of VFS inode operations for files */ static const struct inode_operations orangefs_file_inode_operations = { .get_acl = orangefs_get_acl, @@ -963,6 +1011,8 @@ static const struct inode_operations orangefs_file_inode_operations = { .listxattr = orangefs_listxattr, .permission = orangefs_permission, .update_time = orangefs_update_time, + .fileattr_get = orangefs_fileattr_get, + .fileattr_set = orangefs_fileattr_set, }; static int orangefs_init_iops(struct inode *inode) |