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Work around MacOSX Finder's behavior by returning ENOENT when the user

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tries to look up Contents or .DS_Store in an uncached volume root.
This commit is contained in:
Nickolai Zeldovich 2002-07-23 00:04:22 +00:00
parent fbb81cb4ed
commit 77b1a76e47
2 changed files with 28 additions and 4 deletions
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7
NEWS
View File

@ -1,7 +1,12 @@
OpenAFS News -- history of user-visible changes. October 19, 2001
OpenAFS News -- history of user-visible changes. July 22, 2002.
* Changes incorporated in OpenAFS 1.3
** When fakestat is enabled on MacOSX, the Finder can be used to browse
a fully-populated /afs directory. However, this precludes reliable
use of entire volumes as MacOS bundles (i.e. containing a Contents
directory in the root of the volume).
** Mountpoint directory information can be faked by the cache manager,
making operations such as stat'ing all cells under /afs much faster.
This is enabled by passing -fakestat to afsd, but might not be stable

25
src/afs/VNOPS/afs_vnop_lookup.c
View File

@ -1099,6 +1099,7 @@ afs_lookup(adp, aname, avcp, acred)
struct sysname_info sysState; /* used only for @sys checking */
int dynrootRetry = 1;
struct afs_fakestat_state fakestate;
int tryEvalOnly = 0;
AFS_STATCNT(afs_lookup);
afs_InitFakeStat(&fakestate);
@ -1106,15 +1107,33 @@ afs_lookup(adp, aname, avcp, acred)
if (code = afs_InitReq(&treq, acred))
goto done;
code = afs_EvalFakeStat(&adp, &fakestate, &treq);
if (code)
goto done;
#ifdef AFS_OSF_ENV
ndp->ni_dvp = AFSTOV(adp);
memcpy(aname, ndp->ni_ptr, ndp->ni_namelen);
aname[ndp->ni_namelen] = '\0';
#endif /* AFS_OSF_ENV */
#if defined(AFS_DARWIN_ENV)
/* Workaround for MacOSX Finder, which tries to look for
* .DS_Store and Contents under every directory.
*/
if (afs_fakestat_enable && adp->mvstat == 1) {
if (strcmp(aname, ".DS_Store") == 0)
tryEvalOnly = 1;
if (strcmp(aname, "Contents") == 0)
tryEvalOnly = 1;
}
#endif
if (tryEvalOnly)
code = afs_TryEvalFakeStat(&adp, &fakestate, &treq);
else
code = afs_EvalFakeStat(&adp, &fakestate, &treq);
if (tryEvalOnly && adp->mvstat == 1)
code = ENOENT;
if (code)
goto done;
*avcp = (struct vcache *) 0; /* Since some callers don't initialize it */
/* come back to here if we encounter a non-existent object in a read-only