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The fs_sync() function (or any other, for that matter) must not hold the

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sMountMutex lock when calling sync() on a file system. This fixes a potential
deadlock (I just encountered for the first time).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24915 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2008-04-11 17:01:25 +00:00
parent 75015ff525
commit ac0e5c1ce5
1 changed files with 0 additions and 4 deletions
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4
src/system/kernel/fs/vfs.cpp
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@ -6721,13 +6721,9 @@ fs_sync(dev_t device)
// And then, let the file systems do their synchronizing work // And then, let the file systems do their synchronizing work
mutex_lock(&sMountMutex);
if (HAS_FS_MOUNT_CALL(mount, sync)) if (HAS_FS_MOUNT_CALL(mount, sync))
status = FS_MOUNT_CALL_NO_PARAMS(mount, sync); status = FS_MOUNT_CALL_NO_PARAMS(mount, sync);
mutex_unlock(&sMountMutex);
put_mount(mount); put_mount(mount);
return status; return status;
} }