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ext4: release donor reference when EXT4_IOC_MOVE_EXT ioctl fails
When the EXT4_IOC_MOVE_EXT ioctl() fails on bigalloc file systems, we should jump to the 'mext_out' label to release the donor file reference. Signed-off-by: Djalal Harouni <tixxdz@opendz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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1 changed files with 2 additions and 1 deletions
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@ -258,7 +258,8 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
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EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
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EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
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ext4_msg(sb, KERN_ERR,
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ext4_msg(sb, KERN_ERR,
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"Online defrag not supported with bigalloc");
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"Online defrag not supported with bigalloc");
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return -EOPNOTSUPP;
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err = -EOPNOTSUPP;
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goto mext_out;
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}
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}
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err = mnt_want_write_file(filp);
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err = mnt_want_write_file(filp);
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