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Code Issues Releases Activity

pseudofs: Ignore unsupported commands in vop_setattr.

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Users of pseudofs (e.g. lindebugfs), should be able to receive
input from command line via commands like "echo 1 > /path/to/file".
Currently this fails because sh tries to truncate the file first and
vop_setattr returns not supported error for this. This patch simply
ignores the error and returns 0 instead.

Reviewed by:	imp (mentor), asomers
Approved by:	imp (mentor), asomers
MFC after:	1 week
Differential Revision: D20451
This commit is contained in:
Johannes Lundberg 2019-05-28 20:54:59 +00:00
parent fd55875350
commit 1e363d64a5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=348338
1 changed files with 2 additions and 1 deletions
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3
sys/fs/pseudofs/pseudofs_vnops.c
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@ -967,7 +967,8 @@ pfs_setattr(struct vop_setattr_args *va)
PFS_TRACE(("%s", pn->pn_name));
pfs_assert_not_owned(pn);
PFS_RETURN (EOPNOTSUPP);
/* Silently ignore unchangeable attributes. */
PFS_RETURN (0);
}
/*