diff options
Diffstat (limited to 'kernel/dir.c')
| -rw-r--r-- | kernel/dir.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/kernel/dir.c b/kernel/dir.c index 110a472..e941e3e 100644 --- a/kernel/dir.c +++ b/kernel/dir.c @@ -783,6 +783,9 @@ static int fuse_setxattr(struct dentry *entry, const char *name, if (size > FUSE_XATTR_SIZE_MAX) return -E2BIG; + if (fc->no_setxattr) + return -EOPNOTSUPP; + memset(&inarg, 0, sizeof(inarg)); inarg.size = size; inarg.flags = flags; @@ -797,6 +800,10 @@ static int fuse_setxattr(struct dentry *entry, const char *name, in.args[2].size = size; in.args[2].value = value; request_send(fc, &in, &out); + if (out.h.error == -ENOSYS) { + fc->no_setxattr = 1; + return -EOPNOTSUPP; + } return out.h.error; } @@ -810,6 +817,9 @@ static ssize_t fuse_getxattr(struct dentry *entry, const char *name, struct fuse_getxattr_in inarg; struct fuse_getxattr_out outarg; + if (fc->no_getxattr) + return -EOPNOTSUPP; + memset(&inarg, 0, sizeof(inarg)); inarg.size = size; @@ -833,8 +843,13 @@ static ssize_t fuse_getxattr(struct dentry *entry, const char *name, request_send(fc, &in, &out); if (!out.h.error) return size ? out.args[0].size : outarg.size; - else + else { + if (out.h.error == -ENOSYS) { + fc->no_getxattr = 1; + return -EOPNOTSUPP; + } return out.h.error; + } } static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) @@ -846,6 +861,9 @@ static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) struct fuse_getxattr_in inarg; struct fuse_getxattr_out outarg; + if (fc->no_listxattr) + return -EOPNOTSUPP; + memset(&inarg, 0, sizeof(inarg)); inarg.size = size; @@ -867,8 +885,13 @@ static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) request_send(fc, &in, &out); if (!out.h.error) return size ? out.args[0].size : outarg.size; - else + else { + if (out.h.error == -ENOSYS) { + fc->no_listxattr = 1; + return -EOPNOTSUPP; + } return out.h.error; + } } static int fuse_removexattr(struct dentry *entry, const char *name) @@ -878,12 +901,19 @@ static int fuse_removexattr(struct dentry *entry, const char *name) struct fuse_in in = FUSE_IN_INIT; struct fuse_out out = FUSE_OUT_INIT; + if (fc->no_removexattr) + return -EOPNOTSUPP; + in.h.opcode = FUSE_REMOVEXATTR; in.h.ino = inode->i_ino; in.numargs = 1; in.args[0].size = strlen(name) + 1; in.args[0].value = name; request_send(fc, &in, &out); + if (out.h.error == -ENOSYS) { + fc->no_removexattr = 1; + return -EOPNOTSUPP; + } return out.h.error; } |