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storage: Skip socket and fifo on pool-start

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If pool directory contains special files like FIFO or sockets
we want to skip those on pool-start or pool-refresh otherwise
open() will get an error.
This commit is contained in:
Michal Privoznik 2011-11-24 15:16:19 +01:00
parent c3a6a1e149
commit f88de3eb51
1 changed files with 16 additions and 9 deletions
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25
src/storage/storage_backend.c
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@ -1013,9 +1013,24 @@ virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
struct stat sb;
char *base = last_component(path);
if (lstat(path, &sb) < 0) {
virReportSystemError(errno,
_("cannot stat file '%s'"),
path);
return -1;
}
if (S_ISFIFO(sb.st_mode)) {
VIR_WARN("ignoring FIFO '%s'", path);
return -2;
} else if (S_ISSOCK(sb.st_mode)) {
VIR_WARN("ignoring socket '%s'", path);
return -2;
}
if ((fd = open(path, O_RDONLY|O_NONBLOCK|O_NOCTTY)) < 0) {
if ((errno == ENOENT || errno == ELOOP) &&
lstat(path, &sb) == 0) {
S_ISLNK(sb.st_mode)) {
VIR_WARN("ignoring dangling symlink '%s'", path);
return -2;
}
@ -1026,14 +1041,6 @@ virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
return -1;
}
if (fstat(fd, &sb) < 0) {
virReportSystemError(errno,
_("cannot stat file '%s'"),
path);
VIR_FORCE_CLOSE(fd);
return -1;
}
if (S_ISREG(sb.st_mode))
mode = VIR_STORAGE_VOL_OPEN_REG;
else if (S_ISCHR(sb.st_mode))